21081831

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 29096928

約数和(自身を除く): 8015097

約数列:

[1, 3, 41, 101, 123, 303, 1697, 4141, 5091, 12423, 69577, 171397, 208731, 514191, 7027277, 21081831]

約数ペア:

[(1, 21081831), (3, 7027277), (41, 514191), (101, 208731), (123, 171397), (303, 69577), (1697, 12423), (4141, 5091)]