21529116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 63903840

約数和(自身を除く): 42374724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2309, 2331, 3108, 4618, 4662, 6927, 9236, 9324, 13854, 16163, 20781, 27708, 32326, 41562, 48489, 64652, 83124, 85433, 96978, 145467, 170866, 193956, 256299, 290934, 341732, 512598, 581868, 598031, 768897, 1025196, 1196062, 1537794, 1794093, 2392124, 3075588, 3588186, 5382279, 7176372, 10764558, 21529116]

約数ペア:

[(1, 21529116), (2, 10764558), (3, 7176372), (4, 5382279), (6, 3588186), (7, 3075588), (9, 2392124), (12, 1794093), (14, 1537794), (18, 1196062), (21, 1025196), (28, 768897), (36, 598031), (37, 581868), (42, 512598), (63, 341732), (74, 290934), (84, 256299), (111, 193956), (126, 170866), (148, 145467), (222, 96978), (252, 85433), (259, 83124), (333, 64652), (444, 48489), (518, 41562), (666, 32326), (777, 27708), (1036, 20781), (1332, 16163), (1554, 13854), (2309, 9324), (2331, 9236), (3108, 6927), (4618, 4662)]