21798590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11657}}^1$

素因数の和:11692

約数の個数: 32

約数和(自身を含む): 45326304

約数和(自身を除く): 23527714

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11657, 23314, 58285, 116570, 128227, 198169, 256454, 396338, 641135, 990845, 1282270, 1981690, 2179859, 4359718, 10899295, 21798590]

約数ペア:

[(1, 21798590), (2, 10899295), (5, 4359718), (10, 2179859), (11, 1981690), (17, 1282270), (22, 990845), (34, 641135), (55, 396338), (85, 256454), (110, 198169), (170, 128227), (187, 116570), (374, 58285), (935, 23314), (1870, 11657)]