21854110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 19164290

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 421, 842, 895, 1790, 2105, 4210, 5191, 10382, 12209, 24418, 25955, 51910, 61045, 75359, 122090, 150718, 376795, 753590, 2185411, 4370822, 10927055, 21854110]

約数ペア:

[(1, 21854110), (2, 10927055), (5, 4370822), (10, 2185411), (29, 753590), (58, 376795), (145, 150718), (179, 122090), (290, 75359), (358, 61045), (421, 51910), (842, 25955), (895, 24418), (1790, 12209), (2105, 10382), (4210, 5191)]