21320476

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 38591280

約数和(自身を除く): 17270804

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1481, 2962, 3599, 5924, 7198, 14396, 87379, 90341, 174758, 180682, 349516, 361364, 5330119, 10660238, 21320476]

約数ペア:

[(1, 21320476), (2, 10660238), (4, 5330119), (59, 361364), (61, 349516), (118, 180682), (122, 174758), (236, 90341), (244, 87379), (1481, 14396), (2962, 7198), (3599, 5924)]