21608468

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3229}}^1$

素因数の和:3479

約数の個数: 24

約数和(自身を含む): 43411200

約数和(自身を除く): 21802732

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3229, 3346, 6458, 6692, 12916, 22603, 45206, 90412, 771731, 1543462, 3086924, 5402117, 10804234, 21608468]

約数ペア:

[(1, 21608468), (2, 10804234), (4, 5402117), (7, 3086924), (14, 1543462), (28, 771731), (239, 90412), (478, 45206), (956, 22603), (1673, 12916), (3229, 6692), (3346, 6458)]