21871654

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{26479}}^1$

素因数の和:26547

約数の個数: 16

約数和(自身を含む): 38131200

約数和(自身を除く): 16259546

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 26479, 52958, 185353, 370706, 1562261, 3124522, 10935827, 21871654]

約数ペア:

[(1, 21871654), (2, 10935827), (7, 3124522), (14, 1562261), (59, 370706), (118, 185353), (413, 52958), (826, 26479)]