21818786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 38117952

約数和(自身を除く): 16299166

約数列:

[1, 2, 11, 17, 22, 34, 187, 227, 257, 374, 454, 514, 2497, 2827, 3859, 4369, 4994, 5654, 7718, 8738, 42449, 48059, 58339, 84898, 96118, 116678, 641729, 991763, 1283458, 1983526, 10909393, 21818786]

約数ペア:

[(1, 21818786), (2, 10909393), (11, 1983526), (17, 1283458), (22, 991763), (34, 641729), (187, 116678), (227, 96118), (257, 84898), (374, 58339), (454, 48059), (514, 42449), (2497, 8738), (2827, 7718), (3859, 5654), (4369, 4994)]