21423621856

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3385

約数の個数: 192

約数和(自身を含む): 54336393216

約数和(自身を除く): 32912771360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 73, 91, 104, 112, 124, 146, 182, 208, 217, 224, 248, 292, 364, 403, 416, 434, 496, 511, 584, 728, 806, 868, 949, 992, 1022, 1168, 1456, 1612, 1736, 1898, 2044, 2263, 2336, 2821, 2912, 3224, 3251, 3472, 3796, 4088, 4526, 5642, 6448, 6502, 6643, 6944, 7592, 8176, 9052, 11284, 12896, 13004, 13286, 15184, 15841, 16352, 18104, 22568, 22757, 26008, 26572, 29419, 30368, 31682, 36208, 42263, 45136, 45514, 52016, 53144, 58838, 63364, 72416, 84526, 90272, 91028, 100781, 104032, 106288, 117676, 126728, 169052, 182056, 201562, 205933, 212576, 235352, 237323, 253456, 295841, 338104, 364112, 403124, 411866, 470704, 474646, 506912, 591682, 676208, 705467, 728224, 806248, 823732, 941408, 949292, 1183364, 1310153, 1352416, 1410934, 1612496, 1647464, 1661261, 1898584, 2366728, 2620306, 2821868, 3085199, 3224992, 3294928, 3322522, 3797168, 4733456, 5240612, 5643736, 6170398, 6589856, 6645044, 7357013, 7594336, 9171071, 9466912, 10481224, 11287472, 12340796, 13290088, 14714026, 18342142, 20962448, 21596393, 22574944, 24681592, 26580176, 29428052, 36684284, 41924896, 43192786, 49363184, 51499091, 53160352, 58856104, 73368568, 86385572, 95641169, 98726368, 102998182, 117712208, 146737136, 172771144, 191282338, 205996364, 235424416, 293474272, 345542288, 382564676, 411992728, 669488183, 691084576, 765129352, 823985456, 1338976366, 1530258704, 1647970912, 2677952732, 3060517408, 5355905464, 10711810928, 21423621856]

約数ペア:

[(1, 21423621856), (2, 10711810928), (4, 5355905464), (7, 3060517408), (8, 2677952732), (13, 1647970912), (14, 1530258704), (16, 1338976366), (26, 823985456), (28, 765129352), (31, 691084576), (32, 669488183), (52, 411992728), (56, 382564676), (62, 345542288), (73, 293474272), (91, 235424416), (104, 205996364), (112, 191282338), (124, 172771144), (146, 146737136), (182, 117712208), (208, 102998182), (217, 98726368), (224, 95641169), (248, 86385572), (292, 73368568), (364, 58856104), (403, 53160352), (416, 51499091), (434, 49363184), (496, 43192786), (511, 41924896), (584, 36684284), (728, 29428052), (806, 26580176), (868, 24681592), (949, 22574944), (992, 21596393), (1022, 20962448), (1168, 18342142), (1456, 14714026), (1612, 13290088), (1736, 12340796), (1898, 11287472), (2044, 10481224), (2263, 9466912), (2336, 9171071), (2821, 7594336), (2912, 7357013), (3224, 6645044), (3251, 6589856), (3472, 6170398), (3796, 5643736), (4088, 5240612), (4526, 4733456), (5642, 3797168), (6448, 3322522), (6502, 3294928), (6643, 3224992), (6944, 3085199), (7592, 2821868), (8176, 2620306), (9052, 2366728), (11284, 1898584), (12896, 1661261), (13004, 1647464), (13286, 1612496), (15184, 1410934), (15841, 1352416), (16352, 1310153), (18104, 1183364), (22568, 949292), (22757, 941408), (26008, 823732), (26572, 806248), (29419, 728224), (30368, 705467), (31682, 676208), (36208, 591682), (42263, 506912), (45136, 474646), (45514, 470704), (52016, 411866), (53144, 403124), (58838, 364112), (63364, 338104), (72416, 295841), (84526, 253456), (90272, 237323), (91028, 235352), (100781, 212576), (104032, 205933), (106288, 201562), (117676, 182056), (126728, 169052)]