21515532

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12899}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 50568000

約数和(自身を除く): 29052468

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12899, 25798, 38697, 51596, 77394, 154788, 1792961, 3585922, 5378883, 7171844, 10757766, 21515532]

約数ペア:

[(1, 21515532), (2, 10757766), (3, 7171844), (4, 5378883), (6, 3585922), (12, 1792961), (139, 154788), (278, 77394), (417, 51596), (556, 38697), (834, 25798), (1668, 12899)]