21965220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{122029}}^1$

素因数の和:122044

約数の個数: 36

約数和(自身を含む): 66628380

約数和(自身を除く): 44663160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 122029, 244058, 366087, 488116, 610145, 732174, 1098261, 1220290, 1464348, 1830435, 2196522, 2440580, 3660870, 4393044, 5491305, 7321740, 10982610, 21965220]

約数ペア:

[(1, 21965220), (2, 10982610), (3, 7321740), (4, 5491305), (5, 4393044), (6, 3660870), (9, 2440580), (10, 2196522), (12, 1830435), (15, 1464348), (18, 1220290), (20, 1098261), (30, 732174), (36, 610145), (45, 488116), (60, 366087), (90, 244058), (180, 122029)]