21012648

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3329}}^1$

素因数の和:3601

約数の個数: 32

約数和(自身を含む): 52747200

約数和(自身を除く): 31734552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 3329, 6312, 6658, 9987, 13316, 19974, 26632, 39948, 79896, 875527, 1751054, 2626581, 3502108, 5253162, 7004216, 10506324, 21012648]

約数ペア:

[(1, 21012648), (2, 10506324), (3, 7004216), (4, 5253162), (6, 3502108), (8, 2626581), (12, 1751054), (24, 875527), (263, 79896), (526, 39948), (789, 26632), (1052, 19974), (1578, 13316), (2104, 9987), (3156, 6658), (3329, 6312)]