21131942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2179}}^1$

素因数の和:2567

約数の個数: 16

約数和(自身を含む): 34243440

約数和(自身を除く): 13111498

約数列:

[1, 2, 13, 26, 373, 746, 2179, 4358, 4849, 9698, 28327, 56654, 812767, 1625534, 10565971, 21131942]

約数ペア:

[(1, 21131942), (2, 10565971), (13, 1625534), (26, 812767), (373, 56654), (746, 28327), (2179, 9698), (4358, 4849)]