21789068

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2351}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 43728384

約数和(自身を除く): 21939316

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2317, 2351, 4634, 4702, 9268, 9404, 16457, 32914, 65828, 778181, 1556362, 3112724, 5447267, 10894534, 21789068]

約数ペア:

[(1, 21789068), (2, 10894534), (4, 5447267), (7, 3112724), (14, 1556362), (28, 778181), (331, 65828), (662, 32914), (1324, 16457), (2317, 9404), (2351, 9268), (4634, 4702)]