21274188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136373}}^1$

素因数の和:136393

約数の個数: 24

約数和(自身を含む): 53458608

約数和(自身を除く): 32184420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136373, 272746, 409119, 545492, 818238, 1636476, 1772849, 3545698, 5318547, 7091396, 10637094, 21274188]

約数ペア:

[(1, 21274188), (2, 10637094), (3, 7091396), (4, 5318547), (6, 3545698), (12, 1772849), (13, 1636476), (26, 818238), (39, 545492), (52, 409119), (78, 272746), (156, 136373)]