21620478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{327583}}^1$

素因数の和:327599

約数の個数: 16

約数和(自身を含む): 47172096

約数和(自身を除く): 25551618

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 327583, 655166, 982749, 1965498, 3603413, 7206826, 10810239, 21620478]

約数ペア:

[(1, 21620478), (2, 10810239), (3, 7206826), (6, 3603413), (11, 1965498), (22, 982749), (33, 655166), (66, 327583)]