21650874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1861}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 49693056

約数和(自身を除く): 28042182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 277, 554, 831, 1662, 1861, 1939, 3722, 3878, 5583, 5817, 11166, 11634, 13027, 26054, 39081, 78162, 515497, 1030994, 1546491, 3092982, 3608479, 7216958, 10825437, 21650874]

約数ペア:

[(1, 21650874), (2, 10825437), (3, 7216958), (6, 3608479), (7, 3092982), (14, 1546491), (21, 1030994), (42, 515497), (277, 78162), (554, 39081), (831, 26054), (1662, 13027), (1861, 11634), (1939, 11166), (3722, 5817), (3878, 5583)]