21102411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5659}}^1$

素因数の和:5786

約数の個数: 16

約数和(自身を含む): 30971520

約数和(自身を除く): 9869109

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5659, 16977, 62249, 186747, 639467, 1918401, 7034137, 21102411]

約数ペア:

[(1, 21102411), (3, 7034137), (11, 1918401), (33, 639467), (113, 186747), (339, 62249), (1243, 16977), (3729, 5659)]