21978804969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{4211}}^1\times {\mathrm{52721}}^1$

素因数の和:56949

約数の個数: 24

約数和(自身を含む): 34642149984

約数和(自身を除く): 12663345015

約数列:

[1, 3, 9, 11, 33, 99, 4211, 12633, 37899, 46321, 52721, 138963, 158163, 416889, 474489, 579931, 1739793, 5219379, 222008131, 666024393, 1998073179, 2442089441, 7326268323, 21978804969]

約数ペア:

[(1, 21978804969), (3, 7326268323), (9, 2442089441), (11, 1998073179), (33, 666024393), (99, 222008131), (4211, 5219379), (12633, 1739793), (37899, 579931), (46321, 474489), (52721, 416889), (138963, 158163)]