21283010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6469}}^1$

素因数の和:6530

約数の個数: 32

約数和(自身を含む): 44720640

約数和(自身を除く): 23437630

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6469, 12938, 32345, 45283, 64690, 90566, 226415, 304043, 452830, 608086, 1520215, 2128301, 3040430, 4256602, 10641505, 21283010]

約数ペア:

[(1, 21283010), (2, 10641505), (5, 4256602), (7, 3040430), (10, 2128301), (14, 1520215), (35, 608086), (47, 452830), (70, 304043), (94, 226415), (235, 90566), (329, 64690), (470, 45283), (658, 32345), (1645, 12938), (3290, 6469)]