21955212

素因数分解:

$2^2\times 3^4\times {\mathrm{67763}}^1$

素因数の和:67779

約数の個数: 30

約数和(自身を含む): 57396108

約数和(自身を除く): 35440896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67763, 135526, 203289, 271052, 406578, 609867, 813156, 1219734, 1829601, 2439468, 3659202, 5488803, 7318404, 10977606, 21955212]

約数ペア:

[(1, 21955212), (2, 10977606), (3, 7318404), (4, 5488803), (6, 3659202), (9, 2439468), (12, 1829601), (18, 1219734), (27, 813156), (36, 609867), (54, 406578), (81, 271052), (108, 203289), (162, 135526), (324, 67763)]