21876910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8647}}^1$

素因数の和:8688

約数の個数: 32

約数和(自身を含む): 44831232

約数和(自身を除く): 22954322

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8647, 17294, 43235, 86470, 95117, 190234, 198881, 397762, 475585, 951170, 994405, 1988810, 2187691, 4375382, 10938455, 21876910]

約数ペア:

[(1, 21876910), (2, 10938455), (5, 4375382), (10, 2187691), (11, 1988810), (22, 994405), (23, 951170), (46, 475585), (55, 397762), (110, 198881), (115, 190234), (230, 95117), (253, 86470), (506, 43235), (1265, 17294), (2530, 8647)]