21170435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 30905280

約数和(自身を除く): 9734845

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1021, 1595, 1885, 4147, 5105, 11231, 13273, 20735, 29609, 56155, 66365, 146003, 148045, 325699, 384917, 730015, 1628495, 1924585, 4234087, 21170435]

約数ペア:

[(1, 21170435), (5, 4234087), (11, 1924585), (13, 1628495), (29, 730015), (55, 384917), (65, 325699), (143, 148045), (145, 146003), (319, 66365), (377, 56155), (715, 29609), (1021, 20735), (1595, 13273), (1885, 11231), (4147, 5105)]