21147070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{953}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 43685568

約数和(自身を除く): 22538498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 317, 634, 953, 1585, 1906, 2219, 3170, 4438, 4765, 6671, 9530, 11095, 13342, 22190, 33355, 66710, 302101, 604202, 1510505, 2114707, 3021010, 4229414, 10573535, 21147070]

約数ペア:

[(1, 21147070), (2, 10573535), (5, 4229414), (7, 3021010), (10, 2114707), (14, 1510505), (35, 604202), (70, 302101), (317, 66710), (634, 33355), (953, 22190), (1585, 13342), (1906, 11095), (2219, 9530), (3170, 6671), (4438, 4765)]