21936818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{617}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 34150680

約数和(自身を除く): 12213862

約数列:

[1, 2, 29, 58, 613, 617, 1226, 1234, 17777, 17893, 35554, 35786, 378221, 756442, 10968409, 21936818]

約数ペア:

[(1, 21936818), (2, 10968409), (29, 756442), (58, 378221), (613, 35786), (617, 35554), (1226, 17893), (1234, 17777)]