21756746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6299}}^1$

素因数の和:6469

約数の個数: 16

約数和(自身を含む): 35834400

約数和(自身を除く): 14077654

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6299, 12598, 69289, 138578, 988943, 1977886, 10878373, 21756746]

約数ペア:

[(1, 21756746), (2, 10878373), (11, 1977886), (22, 988943), (157, 138578), (314, 69289), (1727, 12598), (3454, 6299)]