21161630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2313

約数の個数: 48

約数和(自身を含む): 46662480

約数和(自身を除く): 25500850

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2273, 4546, 4655, 9310, 11365, 15911, 22730, 31822, 43187, 79555, 86374, 111377, 159110, 215935, 222754, 302309, 431870, 556885, 604618, 1113770, 1511545, 2116163, 3023090, 4232326, 10580815, 21161630]

約数ペア:

[(1, 21161630), (2, 10580815), (5, 4232326), (7, 3023090), (10, 2116163), (14, 1511545), (19, 1113770), (35, 604618), (38, 556885), (49, 431870), (70, 302309), (95, 222754), (98, 215935), (133, 159110), (190, 111377), (245, 86374), (266, 79555), (490, 43187), (665, 31822), (931, 22730), (1330, 15911), (1862, 11365), (2273, 9310), (4546, 4655)]