21074410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 24172190

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1049, 1435, 2009, 2098, 2870, 4018, 5245, 7343, 10045, 10490, 14686, 20090, 36715, 43009, 51401, 73430, 86018, 102802, 215045, 257005, 301063, 430090, 514010, 602126, 1505315, 2107441, 3010630, 4214882, 10537205, 21074410]

約数ペア:

[(1, 21074410), (2, 10537205), (5, 4214882), (7, 3010630), (10, 2107441), (14, 1505315), (35, 602126), (41, 514010), (49, 430090), (70, 301063), (82, 257005), (98, 215045), (205, 102802), (245, 86018), (287, 73430), (410, 51401), (490, 43009), (574, 36715), (1049, 20090), (1435, 14686), (2009, 10490), (2098, 10045), (2870, 7343), (4018, 5245)]