21823895

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 28242816

約数和(自身を除く): 6418921

約数列:

[1, 5, 23, 37, 115, 185, 223, 529, 851, 1115, 2645, 4255, 5129, 8251, 19573, 25645, 41255, 97865, 117967, 189773, 589835, 948865, 4364779, 21823895]

約数ペア:

[(1, 21823895), (5, 4364779), (23, 948865), (37, 589835), (115, 189773), (185, 117967), (223, 97865), (529, 41255), (851, 25645), (1115, 19573), (2645, 8251), (4255, 5129)]