21458574

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2297}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 47982240

約数和(自身を除く): 26523666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2297, 3114, 4594, 4671, 6891, 9342, 13782, 20673, 41346, 62019, 124038, 397381, 794762, 1192143, 2384286, 3576429, 7152858, 10729287, 21458574]

約数ペア:

[(1, 21458574), (2, 10729287), (3, 7152858), (6, 3576429), (9, 2384286), (18, 1192143), (27, 794762), (54, 397381), (173, 124038), (346, 62019), (519, 41346), (1038, 20673), (1557, 13782), (2297, 9342), (3114, 6891), (4594, 4671)]