21965618

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1369

約数の個数: 16

約数和(自身を含む): 33669216

約数和(自身を除く): 11703598

約数列:

[1, 2, 83, 113, 166, 226, 1171, 2342, 9379, 18758, 97193, 132323, 194386, 264646, 10982809, 21965618]

約数ペア:

[(1, 21965618), (2, 10982809), (83, 264646), (113, 194386), (166, 132323), (226, 97193), (1171, 18758), (2342, 9379)]