21766121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 24317328

約数和(自身を除く): 2551207

約数列:

[1, 13, 41, 97, 421, 533, 1261, 3977, 5473, 17261, 40837, 51701, 224393, 530881, 1674317, 21766121]

約数ペア:

[(1, 21766121), (13, 1674317), (41, 530881), (97, 224393), (421, 51701), (533, 40837), (1261, 17261), (3977, 5473)]