21345268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44843}}^1$

素因数の和:44871

約数の個数: 24

約数和(自身を含む): 45202752

約数和(自身を除く): 23857484

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44843, 89686, 179372, 313901, 627802, 762331, 1255604, 1524662, 3049324, 5336317, 10672634, 21345268]

約数ペア:

[(1, 21345268), (2, 10672634), (4, 5336317), (7, 3049324), (14, 1524662), (17, 1255604), (28, 762331), (34, 627802), (68, 313901), (119, 179372), (238, 89686), (476, 44843)]