21261756

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30630084

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 107, 116, 174, 214, 321, 348, 428, 571, 642, 1142, 1284, 1713, 2284, 3103, 3426, 6206, 6852, 9309, 12412, 16559, 18618, 33118, 37236, 49677, 61097, 66236, 99354, 122194, 183291, 198708, 244388, 366582, 733164, 1771813, 3543626, 5315439, 7087252, 10630878, 21261756]

約数ペア:

[(1, 21261756), (2, 10630878), (3, 7087252), (4, 5315439), (6, 3543626), (12, 1771813), (29, 733164), (58, 366582), (87, 244388), (107, 198708), (116, 183291), (174, 122194), (214, 99354), (321, 66236), (348, 61097), (428, 49677), (571, 37236), (642, 33118), (1142, 18618), (1284, 16559), (1713, 12412), (2284, 9309), (3103, 6852), (3426, 6206)]