21569770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 41395536

約数和(自身を除く): 19825766

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 181, 362, 701, 905, 1402, 1810, 3077, 3505, 6154, 7010, 11917, 15385, 23834, 30770, 59585, 119170, 126881, 253762, 634405, 1268810, 2156977, 4313954, 10784885, 21569770]

約数ペア:

[(1, 21569770), (2, 10784885), (5, 4313954), (10, 2156977), (17, 1268810), (34, 634405), (85, 253762), (170, 126881), (181, 119170), (362, 59585), (701, 30770), (905, 23834), (1402, 15385), (1810, 11917), (3077, 7010), (3505, 6154)]