21820518915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3079}}^1\times {\mathrm{36343}}^1$

素因数の和:39443

約数の個数: 32

約数和(自身を含む): 37611678720

約数和(自身を除く): 15791159805

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 3079, 9237, 15395, 36343, 40027, 46185, 109029, 120081, 181715, 200135, 472459, 545145, 600405, 1417377, 2362295, 7086885, 111900097, 335700291, 559500485, 1454701261, 1678501455, 4364103783, 7273506305, 21820518915]

約数ペア:

[(1, 21820518915), (3, 7273506305), (5, 4364103783), (13, 1678501455), (15, 1454701261), (39, 559500485), (65, 335700291), (195, 111900097), (3079, 7086885), (9237, 2362295), (15395, 1417377), (36343, 600405), (40027, 545145), (46185, 472459), (109029, 200135), (120081, 181715)]