21893011

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 25926336

約数和(自身を除く): 4033325

約数列:

[1, 7, 37, 137, 259, 617, 959, 4319, 5069, 22829, 35483, 84529, 159803, 591703, 3127573, 21893011]

約数ペア:

[(1, 21893011), (7, 3127573), (37, 591703), (137, 159803), (259, 84529), (617, 35483), (959, 22829), (4319, 5069)]