21131913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1613}}^1$

素因数の和:2024

約数の個数: 16

約数和(自身を含む): 30833856

約数和(自身を除く): 9701943

約数列:

[1, 3, 11, 33, 397, 1191, 1613, 4367, 4839, 13101, 17743, 53229, 640361, 1921083, 7043971, 21131913]

約数ペア:

[(1, 21131913), (3, 7043971), (11, 1921083), (33, 640361), (397, 53229), (1191, 17743), (1613, 13101), (4367, 4839)]