21493430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7489}}^1$

素因数の和:7544

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 23806090

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7489, 14978, 37445, 52423, 74890, 104846, 262115, 307049, 524230, 614098, 1535245, 2149343, 3070490, 4298686, 10746715, 21493430]

約数ペア:

[(1, 21493430), (2, 10746715), (5, 4298686), (7, 3070490), (10, 2149343), (14, 1535245), (35, 614098), (41, 524230), (70, 307049), (82, 262115), (205, 104846), (287, 74890), (410, 52423), (574, 37445), (1435, 14978), (2870, 7489)]