21445859640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{55901}}^1$

素因数の和:56077

約数の個数: 128

約数和(自身を含む): 67619059200

約数和(自身を除く): 46173199560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 834, 920, 1112, 1380, 1390, 1668, 2085, 2760, 2780, 3197, 3336, 4170, 5560, 6394, 8340, 9591, 12788, 15985, 16680, 19182, 25576, 31970, 38364, 47955, 55901, 63940, 76728, 95910, 111802, 127880, 167703, 191820, 223604, 279505, 335406, 383640, 447208, 559010, 670812, 838515, 1118020, 1285723, 1341624, 1677030, 2236040, 2571446, 3354060, 3857169, 5142892, 6428615, 6708120, 7714338, 7770239, 10285784, 12857230, 15428676, 15540478, 19285845, 23310717, 25714460, 30857352, 31080956, 38571690, 38851195, 46621434, 51428920, 62161912, 77143380, 77702390, 93242868, 116553585, 154286760, 155404780, 178715497, 186485736, 233107170, 310809560, 357430994, 466214340, 536146491, 714861988, 893577485, 932428680, 1072292982, 1429723976, 1787154970, 2144585964, 2680732455, 3574309940, 4289171928, 5361464910, 7148619880, 10722929820, 21445859640]

約数ペア:

[(1, 21445859640), (2, 10722929820), (3, 7148619880), (4, 5361464910), (5, 4289171928), (6, 3574309940), (8, 2680732455), (10, 2144585964), (12, 1787154970), (15, 1429723976), (20, 1072292982), (23, 932428680), (24, 893577485), (30, 714861988), (40, 536146491), (46, 466214340), (60, 357430994), (69, 310809560), (92, 233107170), (115, 186485736), (120, 178715497), (138, 155404780), (139, 154286760), (184, 116553585), (230, 93242868), (276, 77702390), (278, 77143380), (345, 62161912), (417, 51428920), (460, 46621434), (552, 38851195), (556, 38571690), (690, 31080956), (695, 30857352), (834, 25714460), (920, 23310717), (1112, 19285845), (1380, 15540478), (1390, 15428676), (1668, 12857230), (2085, 10285784), (2760, 7770239), (2780, 7714338), (3197, 6708120), (3336, 6428615), (4170, 5142892), (5560, 3857169), (6394, 3354060), (8340, 2571446), (9591, 2236040), (12788, 1677030), (15985, 1341624), (16680, 1285723), (19182, 1118020), (25576, 838515), (31970, 670812), (38364, 559010), (47955, 447208), (55901, 383640), (63940, 335406), (76728, 279505), (95910, 223604), (111802, 191820), (127880, 167703)]