21425474

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90023}}^1$

素因数の和:90049

約数の個数: 16

約数和(自身を含む): 38890368

約数和(自身を除く): 17464894

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90023, 180046, 630161, 1260322, 1530391, 3060782, 10712737, 21425474]

約数ペア:

[(1, 21425474), (2, 10712737), (7, 3060782), (14, 1530391), (17, 1260322), (34, 630161), (119, 180046), (238, 90023)]