21812186

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 24

約数和(自身を含む): 36240372

約数和(自身を除く): 14428186

約数列:

[1, 2, 11, 22, 121, 173, 242, 346, 521, 1042, 1903, 3806, 5731, 11462, 20933, 41866, 63041, 90133, 126082, 180266, 991463, 1982926, 10906093, 21812186]

約数ペア:

[(1, 21812186), (2, 10906093), (11, 1982926), (22, 991463), (121, 180266), (173, 126082), (242, 90133), (346, 63041), (521, 41866), (1042, 20933), (1903, 11462), (3806, 5731)]