21583528

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20147672

約数列:

[1, 2, 4, 8, 47, 94, 137, 188, 274, 376, 419, 548, 838, 1096, 1676, 3352, 6439, 12878, 19693, 25756, 39386, 51512, 57403, 78772, 114806, 157544, 229612, 459224, 2697941, 5395882, 10791764, 21583528]

約数ペア:

[(1, 21583528), (2, 10791764), (4, 5395882), (8, 2697941), (47, 459224), (94, 229612), (137, 157544), (188, 114806), (274, 78772), (376, 57403), (419, 51512), (548, 39386), (838, 25756), (1096, 19693), (1676, 12878), (3352, 6439)]