21115340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34057}}^1$

素因数の和:34097

約数の個数: 24

約数和(自身を含む): 45773952

約数和(自身を除く): 24658612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 34057, 68114, 136228, 170285, 340570, 681140, 1055767, 2111534, 4223068, 5278835, 10557670, 21115340]

約数ペア:

[(1, 21115340), (2, 10557670), (4, 5278835), (5, 4223068), (10, 2111534), (20, 1055767), (31, 681140), (62, 340570), (124, 170285), (155, 136228), (310, 68114), (620, 34057)]