21571844

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45319}}^1$

素因数の和:45347

約数の個数: 24

約数和(自身を含む): 45682560

約数和(自身を除く): 24110716

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45319, 90638, 181276, 317233, 634466, 770423, 1268932, 1540846, 3081692, 5392961, 10785922, 21571844]

約数ペア:

[(1, 21571844), (2, 10785922), (4, 5392961), (7, 3081692), (14, 1540846), (17, 1268932), (28, 770423), (34, 634466), (68, 317233), (119, 181276), (238, 90638), (476, 45319)]