21000497013

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{701}}^1\times {\mathrm{32957}}^1$

素因数の和:33765

約数の個数: 24

約数和(自身を含む): 30679020216

約数和(自身を除く): 9678523203

約数列:

[1, 3, 9, 101, 303, 701, 909, 2103, 6309, 32957, 70801, 98871, 212403, 296613, 637209, 3328657, 9985971, 23102857, 29957913, 69308571, 207925713, 2333388557, 7000165671, 21000497013]

約数ペア:

[(1, 21000497013), (3, 7000165671), (9, 2333388557), (101, 207925713), (303, 69308571), (701, 29957913), (909, 23102857), (2103, 9985971), (6309, 3328657), (32957, 637209), (70801, 296613), (98871, 212403)]