21082235

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 4768645

約数列:

[1, 5, 101, 109, 383, 505, 545, 1915, 11009, 38683, 41747, 55045, 193415, 208735, 4216447, 21082235]

約数ペア:

[(1, 21082235), (5, 4216447), (101, 208735), (109, 193415), (383, 55045), (505, 41747), (545, 38683), (1915, 11009)]