2021302972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{279649}}^1$

素因数の和:279805

約数の個数: 24

約数和(自身を含む): 3836798000

約数和(自身を除く): 1815495028

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 279649, 559298, 1118596, 3635437, 7270874, 14541748, 38871211, 77742422, 155484844, 505325743, 1010651486, 2021302972]

約数ペア:

[(1, 2021302972), (2, 1010651486), (4, 505325743), (13, 155484844), (26, 77742422), (52, 38871211), (139, 14541748), (278, 7270874), (556, 3635437), (1807, 1118596), (3614, 559298), (7228, 279649)]