21174145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1823}}^1$

素因数の和:1952

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 5616767

約数列:

[1, 5, 23, 101, 115, 505, 1823, 2323, 9115, 11615, 41929, 184123, 209645, 920615, 4234829, 21174145]

約数ペア:

[(1, 21174145), (5, 4234829), (23, 920615), (101, 209645), (115, 184123), (505, 41929), (1823, 11615), (2323, 9115)]