21952250

素因数分解:

$2^1\times 5^3\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 41373072

約数和(自身を除く): 19420822

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 277, 317, 554, 634, 1385, 1585, 2770, 3170, 6925, 7925, 13850, 15850, 34625, 39625, 69250, 79250, 87809, 175618, 439045, 878090, 2195225, 4390450, 10976125, 21952250]

約数ペア:

[(1, 21952250), (2, 10976125), (5, 4390450), (10, 2195225), (25, 878090), (50, 439045), (125, 175618), (250, 87809), (277, 79250), (317, 69250), (554, 39625), (634, 34625), (1385, 15850), (1585, 13850), (2770, 7925), (3170, 6925)]