21495364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1289}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 41176800

約数和(自身を除く): 19681436

約数列:

[1, 2, 4, 11, 22, 44, 379, 758, 1289, 1516, 2578, 4169, 5156, 8338, 14179, 16676, 28358, 56716, 488531, 977062, 1954124, 5373841, 10747682, 21495364]

約数ペア:

[(1, 21495364), (2, 10747682), (4, 5373841), (11, 1954124), (22, 977062), (44, 488531), (379, 56716), (758, 28358), (1289, 16676), (1516, 14179), (2578, 8338), (4169, 5156)]