21414120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 82736640

約数和(自身を除く): 61322520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 53, 56, 60, 65, 70, 74, 78, 84, 91, 104, 105, 106, 111, 120, 130, 140, 148, 156, 159, 168, 182, 185, 195, 210, 212, 222, 259, 260, 265, 273, 280, 296, 312, 318, 364, 370, 371, 390, 420, 424, 444, 455, 481, 518, 520, 530, 546, 555, 636, 689, 728, 740, 742, 777, 780, 795, 840, 888, 910, 962, 1036, 1060, 1092, 1110, 1113, 1272, 1295, 1365, 1378, 1443, 1480, 1484, 1554, 1560, 1590, 1820, 1855, 1924, 1961, 2067, 2072, 2120, 2184, 2220, 2226, 2405, 2590, 2730, 2756, 2886, 2968, 3108, 3180, 3367, 3445, 3640, 3710, 3848, 3885, 3922, 4134, 4440, 4452, 4810, 4823, 5180, 5460, 5512, 5565, 5772, 5883, 6216, 6360, 6734, 6890, 7215, 7420, 7770, 7844, 8268, 8904, 9620, 9646, 9805, 10101, 10335, 10360, 10920, 11130, 11544, 11766, 13468, 13727, 13780, 14430, 14469, 14840, 15540, 15688, 16536, 16835, 19240, 19292, 19610, 20202, 20670, 22260, 23532, 24115, 25493, 26936, 27454, 27560, 28860, 28938, 29415, 31080, 33670, 38584, 39220, 40404, 41181, 41340, 44520, 47064, 48230, 50505, 50986, 54908, 57720, 57876, 58830, 67340, 68635, 72345, 76479, 78440, 80808, 82362, 82680, 96460, 101010, 101972, 109816, 115752, 117660, 127465, 134680, 137270, 144690, 152958, 164724, 178451, 192920, 202020, 203944, 205905, 235320, 254930, 274540, 289380, 305916, 329448, 356902, 382395, 404040, 411810, 509860, 535353, 549080, 578760, 611832, 713804, 764790, 823620, 892255, 1019720, 1070706, 1427608, 1529580, 1647240, 1784510, 2141412, 2676765, 3059160, 3569020, 4282824, 5353530, 7138040, 10707060, 21414120]

約数ペア:

[(1, 21414120), (2, 10707060), (3, 7138040), (4, 5353530), (5, 4282824), (6, 3569020), (7, 3059160), (8, 2676765), (10, 2141412), (12, 1784510), (13, 1647240), (14, 1529580), (15, 1427608), (20, 1070706), (21, 1019720), (24, 892255), (26, 823620), (28, 764790), (30, 713804), (35, 611832), (37, 578760), (39, 549080), (40, 535353), (42, 509860), (52, 411810), (53, 404040), (56, 382395), (60, 356902), (65, 329448), (70, 305916), (74, 289380), (78, 274540), (84, 254930), (91, 235320), (104, 205905), (105, 203944), (106, 202020), (111, 192920), (120, 178451), (130, 164724), (140, 152958), (148, 144690), (156, 137270), (159, 134680), (168, 127465), (182, 117660), (185, 115752), (195, 109816), (210, 101972), (212, 101010), (222, 96460), (259, 82680), (260, 82362), (265, 80808), (273, 78440), (280, 76479), (296, 72345), (312, 68635), (318, 67340), (364, 58830), (370, 57876), (371, 57720), (390, 54908), (420, 50986), (424, 50505), (444, 48230), (455, 47064), (481, 44520), (518, 41340), (520, 41181), (530, 40404), (546, 39220), (555, 38584), (636, 33670), (689, 31080), (728, 29415), (740, 28938), (742, 28860), (777, 27560), (780, 27454), (795, 26936), (840, 25493), (888, 24115), (910, 23532), (962, 22260), (1036, 20670), (1060, 20202), (1092, 19610), (1110, 19292), (1113, 19240), (1272, 16835), (1295, 16536), (1365, 15688), (1378, 15540), (1443, 14840), (1480, 14469), (1484, 14430), (1554, 13780), (1560, 13727), (1590, 13468), (1820, 11766), (1855, 11544), (1924, 11130), (1961, 10920), (2067, 10360), (2072, 10335), (2120, 10101), (2184, 9805), (2220, 9646), (2226, 9620), (2405, 8904), (2590, 8268), (2730, 7844), (2756, 7770), (2886, 7420), (2968, 7215), (3108, 6890), (3180, 6734), (3367, 6360), (3445, 6216), (3640, 5883), (3710, 5772), (3848, 5565), (3885, 5512), (3922, 5460), (4134, 5180), (4440, 4823), (4452, 4810)]