21374842

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:717

約数の個数: 16

約数和(自身を含む): 32531040

約数和(自身を除く): 11156198

約数列:

[1, 2, 163, 173, 326, 346, 379, 758, 28199, 56398, 61777, 65567, 123554, 131134, 10687421, 21374842]

約数ペア:

[(1, 21374842), (2, 10687421), (163, 131134), (173, 123554), (326, 65567), (346, 61777), (379, 56398), (758, 28199)]