21461660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97553}}^1$

素因数の和:97573

約数の個数: 24

約数和(自身を含む): 49167216

約数和(自身を除く): 27705556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97553, 195106, 390212, 487765, 975530, 1073083, 1951060, 2146166, 4292332, 5365415, 10730830, 21461660]

約数ペア:

[(1, 21461660), (2, 10730830), (4, 5365415), (5, 4292332), (10, 2146166), (11, 1951060), (20, 1073083), (22, 975530), (44, 487765), (55, 390212), (110, 195106), (220, 97553)]