21731353

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 26860680

約数和(自身を除く): 5129327

約数列:

[1, 7, 29, 41, 49, 203, 287, 373, 1189, 1421, 2009, 2611, 8323, 10817, 15293, 18277, 58261, 75719, 107051, 443497, 530033, 749357, 3104479, 21731353]

約数ペア:

[(1, 21731353), (7, 3104479), (29, 749357), (41, 530033), (49, 443497), (203, 107051), (287, 75719), (373, 58261), (1189, 18277), (1421, 15293), (2009, 10817), (2611, 8323)]