21537736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244747}}^1$

素因数の和:244764

約数の個数: 16

約数和(自身を含む): 44054640

約数和(自身を除く): 22516904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244747, 489494, 978988, 1957976, 2692217, 5384434, 10768868, 21537736]

約数ペア:

[(1, 21537736), (2, 10768868), (4, 5384434), (8, 2692217), (11, 1957976), (22, 978988), (44, 489494), (88, 244747)]