21108521665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3225137}}^1$

素因数の和:3225177

約数の個数: 32

約数和(自身を含む): 33438230784

約数和(自身を除く): 12329709119

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 3225137, 16125685, 22575959, 35476507, 54827329, 112879795, 177382535, 248335549, 274136645, 383791303, 603100619, 1241677745, 1918956515, 3015503095, 4221704333, 21108521665]

約数ペア:

[(1, 21108521665), (5, 4221704333), (7, 3015503095), (11, 1918956515), (17, 1241677745), (35, 603100619), (55, 383791303), (77, 274136645), (85, 248335549), (119, 177382535), (187, 112879795), (385, 54827329), (595, 35476507), (935, 22575959), (1309, 16125685), (6545, 3225137)]