21480410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6529}}^1$

素因数の和:6590

約数の個数: 32

約数和(自身を含む): 45135360

約数和(自身を除く): 23654950

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6529, 13058, 32645, 45703, 65290, 91406, 228515, 306863, 457030, 613726, 1534315, 2148041, 3068630, 4296082, 10740205, 21480410]

約数ペア:

[(1, 21480410), (2, 10740205), (5, 4296082), (7, 3068630), (10, 2148041), (14, 1534315), (35, 613726), (47, 457030), (70, 306863), (94, 228515), (235, 91406), (329, 65290), (470, 45703), (658, 32645), (1645, 13058), (3290, 6529)]