21669256

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8233}}^1$

素因数の和:8293

約数の個数: 32

約数和(自身を含む): 47427840

約数和(自身を除く): 25758584

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8233, 16466, 32932, 57631, 65864, 115262, 230524, 386951, 461048, 773902, 1547804, 2708657, 3095608, 5417314, 10834628, 21669256]

約数ペア:

[(1, 21669256), (2, 10834628), (4, 5417314), (7, 3095608), (8, 2708657), (14, 1547804), (28, 773902), (47, 461048), (56, 386951), (94, 230524), (188, 115262), (329, 65864), (376, 57631), (658, 32932), (1316, 16466), (2632, 8233)]