21891132

素因数分解:

$2^2\times 3^2\times {\mathrm{608087}}^1$

素因数の和:608097

約数の個数: 18

約数和(自身を含む): 55336008

約数和(自身を除く): 33444876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608087, 1216174, 1824261, 2432348, 3648522, 5472783, 7297044, 10945566, 21891132]

約数ペア:

[(1, 21891132), (2, 10945566), (3, 7297044), (4, 5472783), (6, 3648522), (9, 2432348), (12, 1824261), (18, 1216174), (36, 608087)]