21011016

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67343}}^1$

素因数の和:67365

約数の個数: 32

約数和(自身を含む): 56568960

約数和(自身を除く): 35557944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67343, 134686, 202029, 269372, 404058, 538744, 808116, 875459, 1616232, 1750918, 2626377, 3501836, 5252754, 7003672, 10505508, 21011016]

約数ペア:

[(1, 21011016), (2, 10505508), (3, 7003672), (4, 5252754), (6, 3501836), (8, 2626377), (12, 1750918), (13, 1616232), (24, 875459), (26, 808116), (39, 538744), (52, 404058), (78, 269372), (104, 202029), (156, 134686), (312, 67343)]