21222568

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56443}}^1$

素因数の和:56496

約数の個数: 16

約数和(自身を含む): 40639680

約数和(自身を除く): 19417112

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56443, 112886, 225772, 451544, 2652821, 5305642, 10611284, 21222568]

約数ペア:

[(1, 21222568), (2, 10611284), (4, 5305642), (8, 2652821), (47, 451544), (94, 225772), (188, 112886), (376, 56443)]