21910880

素因数分解:

$2^5\times 5^1\times {\mathrm{136943}}^1$

素因数の和:136958

約数の個数: 24

約数和(自身を含む): 51764832

約数和(自身を除く): 29853952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136943, 273886, 547772, 684715, 1095544, 1369430, 2191088, 2738860, 4382176, 5477720, 10955440, 21910880]

約数ペア:

[(1, 21910880), (2, 10955440), (4, 5477720), (5, 4382176), (8, 2738860), (10, 2191088), (16, 1369430), (20, 1095544), (32, 684715), (40, 547772), (80, 273886), (160, 136943)]