21125942

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2683}}^1$

素因数の和:2843

約数の個数: 16

約数和(自身を含む): 32980992

約数和(自身を除く): 11855050

約数列:

[1, 2, 31, 62, 127, 254, 2683, 3937, 5366, 7874, 83173, 166346, 340741, 681482, 10562971, 21125942]

約数ペア:

[(1, 21125942), (2, 10562971), (31, 681482), (62, 340741), (127, 166346), (254, 83173), (2683, 7874), (3937, 5366)]