21100340040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{329899}}^1$

素因数の和:329967

約数の個数: 128

約数和(自身を含む): 69833232000

約数和(自身を除く): 48732891960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 780, 820, 984, 1066, 1230, 1560, 1599, 1640, 2132, 2460, 2665, 3198, 4264, 4920, 5330, 6396, 7995, 10660, 12792, 15990, 21320, 31980, 63960, 329899, 659798, 989697, 1319596, 1649495, 1979394, 2639192, 3298990, 3958788, 4288687, 4948485, 6597980, 7917576, 8577374, 9896970, 12866061, 13195960, 13525859, 17154748, 19793940, 21443435, 25732122, 27051718, 34309496, 39587880, 40577577, 42886870, 51464244, 54103436, 64330305, 67629295, 81155154, 85773740, 102928488, 108206872, 128660610, 135258590, 162310308, 171547480, 175836167, 202887885, 257321220, 270517180, 324620616, 351672334, 405775770, 514642440, 527508501, 541034360, 703344668, 811551540, 879180835, 1055017002, 1406689336, 1623103080, 1758361670, 2110034004, 2637542505, 3516723340, 4220068008, 5275085010, 7033446680, 10550170020, 21100340040]

約数ペア:

[(1, 21100340040), (2, 10550170020), (3, 7033446680), (4, 5275085010), (5, 4220068008), (6, 3516723340), (8, 2637542505), (10, 2110034004), (12, 1758361670), (13, 1623103080), (15, 1406689336), (20, 1055017002), (24, 879180835), (26, 811551540), (30, 703344668), (39, 541034360), (40, 527508501), (41, 514642440), (52, 405775770), (60, 351672334), (65, 324620616), (78, 270517180), (82, 257321220), (104, 202887885), (120, 175836167), (123, 171547480), (130, 162310308), (156, 135258590), (164, 128660610), (195, 108206872), (205, 102928488), (246, 85773740), (260, 81155154), (312, 67629295), (328, 64330305), (390, 54103436), (410, 51464244), (492, 42886870), (520, 40577577), (533, 39587880), (615, 34309496), (780, 27051718), (820, 25732122), (984, 21443435), (1066, 19793940), (1230, 17154748), (1560, 13525859), (1599, 13195960), (1640, 12866061), (2132, 9896970), (2460, 8577374), (2665, 7917576), (3198, 6597980), (4264, 4948485), (4920, 4288687), (5330, 3958788), (6396, 3298990), (7995, 2639192), (10660, 1979394), (12792, 1649495), (15990, 1319596), (21320, 989697), (31980, 659798), (63960, 329899)]