21493228

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 38903760

約数和(自身を除く): 17410532

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1493, 2986, 3599, 5972, 7198, 14396, 88087, 91073, 176174, 182146, 352348, 364292, 5373307, 10746614, 21493228]

約数ペア:

[(1, 21493228), (2, 10746614), (4, 5373307), (59, 364292), (61, 352348), (118, 182146), (122, 176174), (236, 91073), (244, 88087), (1493, 14396), (2986, 7198), (3599, 5972)]