21925328

素因数分解:

$2^4\times {\mathrm{89}}^2\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 30

約数和(自身を含む): 43211334

約数和(自身を除く): 21286006

約数列:

[1, 2, 4, 8, 16, 89, 173, 178, 346, 356, 692, 712, 1384, 1424, 2768, 7921, 15397, 15842, 30794, 31684, 61588, 63368, 123176, 126736, 246352, 1370333, 2740666, 5481332, 10962664, 21925328]

約数ペア:

[(1, 21925328), (2, 10962664), (4, 5481332), (8, 2740666), (16, 1370333), (89, 246352), (173, 126736), (178, 123176), (346, 63368), (356, 61588), (692, 31684), (712, 30794), (1384, 15842), (1424, 15397), (2768, 7921)]