21848421

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10301}}^1$

素因数の和:10412

約数の個数: 16

約数和(自身を含む): 33625728

約数和(自身を除く): 11777307

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 10301, 30903, 72107, 216321, 1040401, 3121203, 7282807, 21848421]

約数ペア:

[(1, 21848421), (3, 7282807), (7, 3121203), (21, 1040401), (101, 216321), (303, 72107), (707, 30903), (2121, 10301)]