21385362

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82889}}^1$

素因数の和:82937

約数の個数: 16

約数和(自身を含む): 43765920

約数和(自身を除く): 22380558

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82889, 165778, 248667, 497334, 3564227, 7128454, 10692681, 21385362]

約数ペア:

[(1, 21385362), (2, 10692681), (3, 7128454), (6, 3564227), (43, 497334), (86, 248667), (129, 165778), (258, 82889)]