21974414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 41319936

約数和(自身を除く): 19345522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 293, 487, 586, 974, 2051, 3223, 3409, 4102, 5357, 6446, 6818, 10714, 22561, 37499, 45122, 74998, 142691, 285382, 998837, 1569601, 1997674, 3139202, 10987207, 21974414]

約数ペア:

[(1, 21974414), (2, 10987207), (7, 3139202), (11, 1997674), (14, 1569601), (22, 998837), (77, 285382), (154, 142691), (293, 74998), (487, 45122), (586, 37499), (974, 22561), (2051, 10714), (3223, 6818), (3409, 6446), (4102, 5357)]