21794540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6299}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 46040400

約数和(自身を除く): 24245860

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 6299, 12598, 25196, 31495, 62990, 125980, 1089727, 2179454, 4358908, 5448635, 10897270, 21794540]

約数ペア:

[(1, 21794540), (2, 10897270), (4, 5448635), (5, 4358908), (10, 2179454), (20, 1089727), (173, 125980), (346, 62990), (692, 31495), (865, 25196), (1730, 12598), (3460, 6299)]