21084018

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 43794432

約数和(自身を除く): 22710414

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 1151, 2302, 3053, 3453, 6106, 6906, 9159, 18318, 49493, 81721, 98986, 148479, 163442, 245163, 296958, 490326, 3514003, 7028006, 10542009, 21084018]

約数ペア:

[(1, 21084018), (2, 10542009), (3, 7028006), (6, 3514003), (43, 490326), (71, 296958), (86, 245163), (129, 163442), (142, 148479), (213, 98986), (258, 81721), (426, 49493), (1151, 18318), (2302, 9159), (3053, 6906), (3453, 6106)]