21000724716

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102944729}}^1$

素因数の和:102944753

約数の個数: 24

約数和(自身を含む): 51884143920

約数和(自身を除く): 30883419204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102944729, 205889458, 308834187, 411778916, 617668374, 1235336748, 1750060393, 3500120786, 5250181179, 7000241572, 10500362358, 21000724716]

約数ペア:

[(1, 21000724716), (2, 10500362358), (3, 7000241572), (4, 5250181179), (6, 3500120786), (12, 1750060393), (17, 1235336748), (34, 617668374), (51, 411778916), (68, 308834187), (102, 205889458), (204, 102944729)]