21237608

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8069}}^1$

素因数の和:8129

約数の個数: 32

約数和(自身を含む): 46483200

約数和(自身を除く): 25245592

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8069, 16138, 32276, 56483, 64552, 112966, 225932, 379243, 451864, 758486, 1516972, 2654701, 3033944, 5309402, 10618804, 21237608]

約数ペア:

[(1, 21237608), (2, 10618804), (4, 5309402), (7, 3033944), (8, 2654701), (14, 1516972), (28, 758486), (47, 451864), (56, 379243), (94, 225932), (188, 112966), (329, 64552), (376, 56483), (658, 32276), (1316, 16138), (2632, 8069)]