22191940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4219}}^1$

素因数の和:4491

約数の個数: 24

約数和(自身を含む): 46791360

約数和(自身を除く): 24599420

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4219, 5260, 8438, 16876, 21095, 42190, 84380, 1109597, 2219194, 4438388, 5547985, 11095970, 22191940]

約数ペア:

[(1, 22191940), (2, 11095970), (4, 5547985), (5, 4438388), (10, 2219194), (20, 1109597), (263, 84380), (526, 42190), (1052, 21095), (1315, 16876), (2630, 8438), (4219, 5260)]