21026312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3285

約数の個数: 32

約数和(自身を含む): 42477600

約数和(自身を除く): 21451288

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3217, 3268, 6434, 6536, 12868, 25736, 61123, 122246, 138331, 244492, 276662, 488984, 553324, 1106648, 2628289, 5256578, 10513156, 21026312]

約数ペア:

[(1, 21026312), (2, 10513156), (4, 5256578), (8, 2628289), (19, 1106648), (38, 553324), (43, 488984), (76, 276662), (86, 244492), (152, 138331), (172, 122246), (344, 61123), (817, 25736), (1634, 12868), (3217, 6536), (3268, 6434)]