21102568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85091}}^1$

素因数の和:85128

約数の個数: 16

約数和(自身を含む): 40844160

約数和(自身を除く): 19741592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85091, 170182, 340364, 680728, 2637821, 5275642, 10551284, 21102568]

約数ペア:

[(1, 21102568), (2, 10551284), (4, 5275642), (8, 2637821), (31, 680728), (62, 340364), (124, 170182), (248, 85091)]