21167242

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:773

約数の個数: 16

約数和(自身を含む): 32247072

約数和(自身を除く): 11079830

約数列:

[1, 2, 131, 173, 262, 346, 467, 934, 22663, 45326, 61177, 80791, 122354, 161582, 10583621, 21167242]

約数ペア:

[(1, 21167242), (2, 10583621), (131, 161582), (173, 122354), (262, 80791), (346, 61177), (467, 45326), (934, 22663)]