21663752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1423}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 44599680

約数和(自身を除く): 22935928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1384, 1423, 1903, 2846, 3806, 5692, 7612, 11384, 15224, 15653, 31306, 62612, 125224, 246179, 492358, 984716, 1969432, 2707969, 5415938, 10831876, 21663752]

約数ペア:

[(1, 21663752), (2, 10831876), (4, 5415938), (8, 2707969), (11, 1969432), (22, 984716), (44, 492358), (88, 246179), (173, 125224), (346, 62612), (692, 31306), (1384, 15653), (1423, 15224), (1903, 11384), (2846, 7612), (3806, 5692)]