21864257855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{51169}}^1$

素因数の和:51659

約数の個数: 32

約数和(自身を含む): 30372874560

約数和(自身を除く): 8508616705

約数列:

[1, 5, 11, 17, 55, 85, 187, 457, 935, 2285, 5027, 7769, 25135, 38845, 51169, 85459, 255845, 427295, 562859, 869873, 2814295, 4349365, 9568603, 23384233, 47843015, 116921165, 257226563, 397531961, 1286132815, 1987659805, 4372851571, 21864257855]

約数ペア:

[(1, 21864257855), (5, 4372851571), (11, 1987659805), (17, 1286132815), (55, 397531961), (85, 257226563), (187, 116921165), (457, 47843015), (935, 23384233), (2285, 9568603), (5027, 4349365), (7769, 2814295), (25135, 869873), (38845, 562859), (51169, 427295), (85459, 255845)]