21531841

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 23212800

約数和(自身を除く): 1680959

約数列:

[1, 23, 61, 103, 149, 1403, 2369, 3427, 6283, 9089, 15347, 144509, 209047, 352981, 936167, 21531841]

約数ペア:

[(1, 21531841), (23, 936167), (61, 352981), (103, 209047), (149, 144509), (1403, 15347), (2369, 9089), (3427, 6283)]