21219016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29147}}^1$

素因数の和:29173

約数の個数: 32

約数和(自身を含む): 48968640

約数和(自身を除く): 27749624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29147, 58294, 116588, 204029, 233176, 378911, 408058, 757822, 816116, 1515644, 1632232, 2652377, 3031288, 5304754, 10609508, 21219016]

約数ペア:

[(1, 21219016), (2, 10609508), (4, 5304754), (7, 3031288), (8, 2652377), (13, 1632232), (14, 1515644), (26, 816116), (28, 757822), (52, 408058), (56, 378911), (91, 233176), (104, 204029), (182, 116588), (364, 58294), (728, 29147)]