21657116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24499}}^1$

素因数の和:24533

約数の個数: 24

約数和(自身を含む): 43218000

約数和(自身を除く): 21560884

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 24499, 48998, 97996, 318487, 416483, 636974, 832966, 1273948, 1665932, 5414279, 10828558, 21657116]

約数ペア:

[(1, 21657116), (2, 10828558), (4, 5414279), (13, 1665932), (17, 1273948), (26, 832966), (34, 636974), (52, 416483), (68, 318487), (221, 97996), (442, 48998), (884, 24499)]