21292880960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1181

約数の個数: 224

約数和(自身を含む): 56433549312

約数和(自身を除く): 35140668352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 127, 130, 160, 164, 205, 208, 254, 260, 320, 328, 410, 416, 508, 520, 533, 635, 656, 820, 832, 983, 1016, 1040, 1066, 1270, 1312, 1640, 1651, 1966, 2032, 2080, 2132, 2540, 2624, 2665, 3280, 3302, 3932, 4064, 4160, 4264, 4915, 5080, 5207, 5330, 6560, 6604, 7864, 8128, 8255, 8528, 9830, 10160, 10414, 10660, 12779, 13120, 13208, 15728, 16510, 17056, 19660, 20320, 20828, 21320, 25558, 26035, 26416, 31456, 33020, 34112, 39320, 40303, 40640, 41656, 42640, 51116, 52070, 52832, 62912, 63895, 66040, 67691, 78640, 80606, 83312, 85280, 102232, 104140, 105664, 124841, 127790, 132080, 135382, 157280, 161212, 166624, 170560, 201515, 204464, 208280, 249682, 255580, 264160, 270764, 314560, 322424, 333248, 338455, 403030, 408928, 416560, 499364, 511160, 523939, 528320, 541528, 624205, 644848, 676910, 806060, 817856, 833120, 998728, 1022320, 1047878, 1083056, 1248410, 1289696, 1353820, 1612120, 1622933, 1666240, 1997456, 2044640, 2095756, 2166112, 2496820, 2579392, 2619695, 2707640, 3224240, 3245866, 3994912, 4089280, 4191512, 4332224, 4993640, 5118481, 5239390, 5415280, 6448480, 6491732, 7989824, 8114665, 8383024, 9987280, 10236962, 10478780, 10830560, 12896960, 12983464, 16229330, 16766048, 19974560, 20473924, 20957560, 21661120, 25592405, 25966928, 32458660, 33532096, 39949120, 40947848, 41915120, 51184810, 51933856, 64917320, 66540253, 81895696, 83830240, 102369620, 103867712, 129834640, 133080506, 163791392, 167660480, 204739240, 259669280, 266161012, 327582784, 332701265, 409478480, 519338560, 532322024, 665402530, 818956960, 1064644048, 1330805060, 1637913920, 2129288096, 2661610120, 4258576192, 5323220240, 10646440480, 21292880960]

約数ペア:

[(1, 21292880960), (2, 10646440480), (4, 5323220240), (5, 4258576192), (8, 2661610120), (10, 2129288096), (13, 1637913920), (16, 1330805060), (20, 1064644048), (26, 818956960), (32, 665402530), (40, 532322024), (41, 519338560), (52, 409478480), (64, 332701265), (65, 327582784), (80, 266161012), (82, 259669280), (104, 204739240), (127, 167660480), (130, 163791392), (160, 133080506), (164, 129834640), (205, 103867712), (208, 102369620), (254, 83830240), (260, 81895696), (320, 66540253), (328, 64917320), (410, 51933856), (416, 51184810), (508, 41915120), (520, 40947848), (533, 39949120), (635, 33532096), (656, 32458660), (820, 25966928), (832, 25592405), (983, 21661120), (1016, 20957560), (1040, 20473924), (1066, 19974560), (1270, 16766048), (1312, 16229330), (1640, 12983464), (1651, 12896960), (1966, 10830560), (2032, 10478780), (2080, 10236962), (2132, 9987280), (2540, 8383024), (2624, 8114665), (2665, 7989824), (3280, 6491732), (3302, 6448480), (3932, 5415280), (4064, 5239390), (4160, 5118481), (4264, 4993640), (4915, 4332224), (5080, 4191512), (5207, 4089280), (5330, 3994912), (6560, 3245866), (6604, 3224240), (7864, 2707640), (8128, 2619695), (8255, 2579392), (8528, 2496820), (9830, 2166112), (10160, 2095756), (10414, 2044640), (10660, 1997456), (12779, 1666240), (13120, 1622933), (13208, 1612120), (15728, 1353820), (16510, 1289696), (17056, 1248410), (19660, 1083056), (20320, 1047878), (20828, 1022320), (21320, 998728), (25558, 833120), (26035, 817856), (26416, 806060), (31456, 676910), (33020, 644848), (34112, 624205), (39320, 541528), (40303, 528320), (40640, 523939), (41656, 511160), (42640, 499364), (51116, 416560), (52070, 408928), (52832, 403030), (62912, 338455), (63895, 333248), (66040, 322424), (67691, 314560), (78640, 270764), (80606, 264160), (83312, 255580), (85280, 249682), (102232, 208280), (104140, 204464), (105664, 201515), (124841, 170560), (127790, 166624), (132080, 161212), (135382, 157280)]