21216175060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{524893}}^1$

素因数の和:524992

約数の個数: 48

約数和(自身を含む): 46560197376

約数和(自身を除く): 25344022316

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 20210, 40420, 524893, 1049786, 2099572, 2624465, 5248930, 10497860, 22570399, 24669971, 45140798, 49339942, 90281596, 98679884, 112851995, 123349855, 225703990, 246699710, 451407980, 493399420, 1060808753, 2121617506, 4243235012, 5304043765, 10608087530, 21216175060]

約数ペア:

[(1, 21216175060), (2, 10608087530), (4, 5304043765), (5, 4243235012), (10, 2121617506), (20, 1060808753), (43, 493399420), (47, 451407980), (86, 246699710), (94, 225703990), (172, 123349855), (188, 112851995), (215, 98679884), (235, 90281596), (430, 49339942), (470, 45140798), (860, 24669971), (940, 22570399), (2021, 10497860), (4042, 5248930), (8084, 2624465), (10105, 2099572), (20210, 1049786), (40420, 524893)]