21402029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2917}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 25211520

約数和(自身を除く): 3809491

約数列:

[1, 11, 23, 29, 253, 319, 667, 2917, 7337, 32087, 67091, 84593, 738001, 930523, 1945639, 21402029]

約数ペア:

[(1, 21402029), (11, 1945639), (23, 930523), (29, 738001), (253, 84593), (319, 67091), (667, 32087), (2917, 7337)]