21085464

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{2213}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 52870320

約数和(自身を除く): 31784856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2213, 2382, 3176, 4426, 4764, 6639, 8852, 9528, 13278, 17704, 26556, 53112, 878561, 1757122, 2635683, 3514244, 5271366, 7028488, 10542732, 21085464]

約数ペア:

[(1, 21085464), (2, 10542732), (3, 7028488), (4, 5271366), (6, 3514244), (8, 2635683), (12, 1757122), (24, 878561), (397, 53112), (794, 26556), (1191, 17704), (1588, 13278), (2213, 9528), (2382, 8852), (3176, 6639), (4426, 4764)]