21290994

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14251}}^1$

素因数の和:14342

約数の個数: 24

約数和(自身を含む): 46689552

約数和(自身を除く): 25398558

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14251, 28502, 42753, 85506, 128259, 256518, 1182833, 2365666, 3548499, 7096998, 10645497, 21290994]

約数ペア:

[(1, 21290994), (2, 10645497), (3, 7096998), (6, 3548499), (9, 2365666), (18, 1182833), (83, 256518), (166, 128259), (249, 85506), (498, 42753), (747, 28502), (1494, 14251)]