21618542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51719}}^1$

素因数の和:51751

約数の個数: 16

約数和(自身を含む): 37238400

約数和(自身を除く): 15619858

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51719, 103438, 568909, 982661, 1137818, 1965322, 10809271, 21618542]

約数ペア:

[(1, 21618542), (2, 10809271), (11, 1965322), (19, 1137818), (22, 982661), (38, 568909), (209, 103438), (418, 51719)]