21104470

素因数分解:

$2^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1787}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 38041488

約数和(自身を除く): 16937018

約数列:

[1, 2, 5, 10, 1181, 1787, 2362, 3574, 5905, 8935, 11810, 17870, 2110447, 4220894, 10552235, 21104470]

約数ペア:

[(1, 21104470), (2, 10552235), (5, 4220894), (10, 2110447), (1181, 17870), (1787, 11810), (2362, 8935), (3574, 5905)]