21076060

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2347}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 44377200

約数和(自身を除く): 23301140

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2347, 4490, 4694, 8980, 9388, 11735, 23470, 46940, 1053803, 2107606, 4215212, 5269015, 10538030, 21076060]

約数ペア:

[(1, 21076060), (2, 10538030), (4, 5269015), (5, 4215212), (10, 2107606), (20, 1053803), (449, 46940), (898, 23470), (1796, 11735), (2245, 9388), (2347, 8980), (4490, 4694)]