21095628

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40883}}^1$

素因数の和:40933

約数の個数: 24

約数和(自身を含む): 50369088

約数和(自身を除く): 29273460

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40883, 81766, 122649, 163532, 245298, 490596, 1757969, 3515938, 5273907, 7031876, 10547814, 21095628]

約数ペア:

[(1, 21095628), (2, 10547814), (3, 7031876), (4, 5273907), (6, 3515938), (12, 1757969), (43, 490596), (86, 245298), (129, 163532), (172, 122649), (258, 81766), (516, 40883)]