21101570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1201}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 43618176

約数和(自身を除く): 22516606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1201, 1255, 1757, 2402, 2510, 3514, 6005, 8407, 8785, 12010, 16814, 17570, 42035, 84070, 301451, 602902, 1507255, 2110157, 3014510, 4220314, 10550785, 21101570]

約数ペア:

[(1, 21101570), (2, 10550785), (5, 4220314), (7, 3014510), (10, 2110157), (14, 1507255), (35, 602902), (70, 301451), (251, 84070), (502, 42035), (1201, 17570), (1255, 16814), (1757, 12010), (2402, 8785), (2510, 8407), (3514, 6005)]