21000663480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175005529}}^1$

素因数の和:175005543

約数の個数: 32

約数和(自身を含む): 63001990800

約数和(自身を除く): 42001327320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175005529, 350011058, 525016587, 700022116, 875027645, 1050033174, 1400044232, 1750055290, 2100066348, 2625082935, 3500110580, 4200132696, 5250165870, 7000221160, 10500331740, 21000663480]

約数ペア:

[(1, 21000663480), (2, 10500331740), (3, 7000221160), (4, 5250165870), (5, 4200132696), (6, 3500110580), (8, 2625082935), (10, 2100066348), (12, 1750055290), (15, 1400044232), (20, 1050033174), (24, 875027645), (30, 700022116), (40, 525016587), (60, 350011058), (120, 175005529)]