21146848

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34781}}^1$

素因数の和:34810

約数の個数: 24

約数和(自身を含む): 43825320

約数和(自身を除く): 22678472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34781, 69562, 139124, 278248, 556496, 660839, 1112992, 1321678, 2643356, 5286712, 10573424, 21146848]

約数ペア:

[(1, 21146848), (2, 10573424), (4, 5286712), (8, 2643356), (16, 1321678), (19, 1112992), (32, 660839), (38, 556496), (76, 278248), (152, 139124), (304, 69562), (608, 34781)]