21673718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2729}}^1$

素因数の和:2780

約数の個数: 24

約数和(自身を含む): 37444680

約数和(自身を除く): 15770962

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2729, 3971, 5458, 7942, 30019, 51851, 60038, 103702, 570361, 985169, 1140722, 1970338, 10836859, 21673718]

約数ペア:

[(1, 21673718), (2, 10836859), (11, 1970338), (19, 1140722), (22, 985169), (38, 570361), (209, 103702), (361, 60038), (418, 51851), (722, 30019), (2729, 7942), (3971, 5458)]