21249932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28409}}^1$

素因数の和:28441

約数の個数: 24

約数和(自身を含む): 42955920

約数和(自身を除く): 21705988

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28409, 56818, 113636, 312499, 482953, 624998, 965906, 1249996, 1931812, 5312483, 10624966, 21249932]

約数ペア:

[(1, 21249932), (2, 10624966), (4, 5312483), (11, 1931812), (17, 1249996), (22, 965906), (34, 624998), (44, 482953), (68, 312499), (187, 113636), (374, 56818), (748, 28409)]