21133057980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{399793}}^1$

素因数の和:400686

約数の個数: 48

約数和(自身を含む): 59239875744

約数和(自身を除く): 38106817764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 881, 1762, 2643, 3524, 4405, 5286, 8810, 10572, 13215, 17620, 26430, 52860, 399793, 799586, 1199379, 1599172, 1998965, 2398758, 3997930, 4797516, 5996895, 7995860, 11993790, 23987580, 352217633, 704435266, 1056652899, 1408870532, 1761088165, 2113305798, 3522176330, 4226611596, 5283264495, 7044352660, 10566528990, 21133057980]

約数ペア:

[(1, 21133057980), (2, 10566528990), (3, 7044352660), (4, 5283264495), (5, 4226611596), (6, 3522176330), (10, 2113305798), (12, 1761088165), (15, 1408870532), (20, 1056652899), (30, 704435266), (60, 352217633), (881, 23987580), (1762, 11993790), (2643, 7995860), (3524, 5996895), (4405, 4797516), (5286, 3997930), (8810, 2398758), (10572, 1998965), (13215, 1599172), (17620, 1199379), (26430, 799586), (52860, 399793)]