21963680

素因数分解:

$2^5\times 5^1\times {\mathrm{137273}}^1$

素因数の和:137288

約数の個数: 24

約数和(自身を含む): 51889572

約数和(自身を除く): 29925892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 137273, 274546, 549092, 686365, 1098184, 1372730, 2196368, 2745460, 4392736, 5490920, 10981840, 21963680]

約数ペア:

[(1, 21963680), (2, 10981840), (4, 5490920), (5, 4392736), (8, 2745460), (10, 2196368), (16, 1372730), (20, 1098184), (32, 686365), (40, 549092), (80, 274546), (160, 137273)]