21903410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 19775950

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1607, 2726, 3214, 6815, 8035, 13630, 16070, 46603, 75529, 93206, 151058, 233015, 377645, 466030, 755290, 2190341, 4380682, 10951705, 21903410]

約数ペア:

[(1, 21903410), (2, 10951705), (5, 4380682), (10, 2190341), (29, 755290), (47, 466030), (58, 377645), (94, 233015), (145, 151058), (235, 93206), (290, 75529), (470, 46603), (1363, 16070), (1607, 13630), (2726, 8035), (3214, 6815)]