21545188

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45263}}^1$

素因数の和:45291

約数の個数: 24

約数和(自身を含む): 45626112

約数和(自身を除く): 24080924

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45263, 90526, 181052, 316841, 633682, 769471, 1267364, 1538942, 3077884, 5386297, 10772594, 21545188]

約数ペア:

[(1, 21545188), (2, 10772594), (4, 5386297), (7, 3077884), (14, 1538942), (17, 1267364), (28, 769471), (34, 633682), (68, 316841), (119, 181052), (238, 90526), (476, 45263)]