21995684760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{21481}}^1$

素因数の和:21578

約数の個数: 256

約数和(自身を含む): 80181135360

約数和(自身を除く): 58185450600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 53, 56, 60, 69, 70, 84, 92, 105, 106, 115, 120, 138, 140, 159, 161, 168, 184, 210, 212, 230, 265, 276, 280, 318, 322, 345, 371, 420, 424, 460, 483, 530, 552, 636, 644, 690, 742, 795, 805, 840, 920, 966, 1060, 1113, 1219, 1272, 1288, 1380, 1484, 1590, 1610, 1855, 1932, 2120, 2226, 2415, 2438, 2760, 2968, 3180, 3220, 3657, 3710, 3864, 4452, 4830, 4876, 5565, 6095, 6360, 6440, 7314, 7420, 8533, 8904, 9660, 9752, 11130, 12190, 14628, 14840, 17066, 18285, 19320, 21481, 22260, 24380, 25599, 29256, 34132, 36570, 42665, 42962, 44520, 48760, 51198, 64443, 68264, 73140, 85330, 85924, 102396, 107405, 127995, 128886, 146280, 150367, 170660, 171848, 204792, 214810, 255990, 257772, 300734, 322215, 341320, 429620, 451101, 494063, 511980, 515544, 601468, 644430, 751835, 859240, 902202, 988126, 1023960, 1138493, 1202936, 1288860, 1482189, 1503670, 1804404, 1976252, 2255505, 2276986, 2470315, 2577720, 2964378, 3007340, 3415479, 3458441, 3608808, 3952504, 4511010, 4553972, 4940630, 5692465, 5928756, 6014680, 6830958, 6916882, 7410945, 7969451, 9022020, 9107944, 9881260, 10375323, 11384930, 11857512, 13661916, 13833764, 14821890, 15938902, 17077395, 17292205, 18044040, 19762520, 20750646, 22769860, 23908353, 26185339, 27323832, 27667528, 29643780, 31877804, 34154790, 34584410, 39847255, 41501292, 45539720, 47816706, 51876615, 52370678, 59287560, 63755608, 68309580, 69168820, 78556017, 79694510, 83002584, 95633412, 103753230, 104741356, 119541765, 130926695, 136619160, 138337640, 157112034, 159389020, 183297373, 191266824, 207506460, 209482712, 239083530, 261853390, 314224068, 318778040, 366594746, 392780085, 415012920, 478167060, 523706780, 549892119, 628448136, 733189492, 785560170, 916486865, 956334120, 1047413560, 1099784238, 1466378984, 1571120340, 1832973730, 2199568476, 2749460595, 3142240680, 3665947460, 4399136952, 5498921190, 7331894920, 10997842380, 21995684760]

約数ペア:

[(1, 21995684760), (2, 10997842380), (3, 7331894920), (4, 5498921190), (5, 4399136952), (6, 3665947460), (7, 3142240680), (8, 2749460595), (10, 2199568476), (12, 1832973730), (14, 1571120340), (15, 1466378984), (20, 1099784238), (21, 1047413560), (23, 956334120), (24, 916486865), (28, 785560170), (30, 733189492), (35, 628448136), (40, 549892119), (42, 523706780), (46, 478167060), (53, 415012920), (56, 392780085), (60, 366594746), (69, 318778040), (70, 314224068), (84, 261853390), (92, 239083530), (105, 209482712), (106, 207506460), (115, 191266824), (120, 183297373), (138, 159389020), (140, 157112034), (159, 138337640), (161, 136619160), (168, 130926695), (184, 119541765), (210, 104741356), (212, 103753230), (230, 95633412), (265, 83002584), (276, 79694510), (280, 78556017), (318, 69168820), (322, 68309580), (345, 63755608), (371, 59287560), (420, 52370678), (424, 51876615), (460, 47816706), (483, 45539720), (530, 41501292), (552, 39847255), (636, 34584410), (644, 34154790), (690, 31877804), (742, 29643780), (795, 27667528), (805, 27323832), (840, 26185339), (920, 23908353), (966, 22769860), (1060, 20750646), (1113, 19762520), (1219, 18044040), (1272, 17292205), (1288, 17077395), (1380, 15938902), (1484, 14821890), (1590, 13833764), (1610, 13661916), (1855, 11857512), (1932, 11384930), (2120, 10375323), (2226, 9881260), (2415, 9107944), (2438, 9022020), (2760, 7969451), (2968, 7410945), (3180, 6916882), (3220, 6830958), (3657, 6014680), (3710, 5928756), (3864, 5692465), (4452, 4940630), (4830, 4553972), (4876, 4511010), (5565, 3952504), (6095, 3608808), (6360, 3458441), (6440, 3415479), (7314, 3007340), (7420, 2964378), (8533, 2577720), (8904, 2470315), (9660, 2276986), (9752, 2255505), (11130, 1976252), (12190, 1804404), (14628, 1503670), (14840, 1482189), (17066, 1288860), (18285, 1202936), (19320, 1138493), (21481, 1023960), (22260, 988126), (24380, 902202), (25599, 859240), (29256, 751835), (34132, 644430), (36570, 601468), (42665, 515544), (42962, 511980), (44520, 494063), (48760, 451101), (51198, 429620), (64443, 341320), (68264, 322215), (73140, 300734), (85330, 257772), (85924, 255990), (102396, 214810), (107405, 204792), (127995, 171848), (128886, 170660), (146280, 150367)]