21958404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140759}}^1$

素因数の和:140779

約数の個数: 24

約数和(自身を含む): 55177920

約数和(自身を除く): 33219516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140759, 281518, 422277, 563036, 844554, 1689108, 1829867, 3659734, 5489601, 7319468, 10979202, 21958404]

約数ペア:

[(1, 21958404), (2, 10979202), (3, 7319468), (4, 5489601), (6, 3659734), (12, 1829867), (13, 1689108), (26, 844554), (39, 563036), (52, 422277), (78, 281518), (156, 140759)]