21975708

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 52889760

約数和(自身を除く): 30914052

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 109, 159, 212, 218, 317, 318, 327, 436, 634, 636, 654, 951, 1268, 1308, 1902, 3804, 5777, 11554, 16801, 17331, 23108, 33602, 34553, 34662, 50403, 67204, 69106, 69324, 100806, 103659, 138212, 201612, 207318, 414636, 1831309, 3662618, 5493927, 7325236, 10987854, 21975708]

約数ペア:

[(1, 21975708), (2, 10987854), (3, 7325236), (4, 5493927), (6, 3662618), (12, 1831309), (53, 414636), (106, 207318), (109, 201612), (159, 138212), (212, 103659), (218, 100806), (317, 69324), (318, 69106), (327, 67204), (436, 50403), (634, 34662), (636, 34553), (654, 33602), (951, 23108), (1268, 17331), (1308, 16801), (1902, 11554), (3804, 5777)]