21357576

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17449}}^1$

素因数の和:17478

約数の個数: 48

約数和(自身を含む): 61249500

約数和(自身を除く): 39891924

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17449, 34898, 52347, 69796, 104694, 139592, 157041, 209388, 296633, 314082, 418776, 593266, 628164, 889899, 1186532, 1256328, 1779798, 2373064, 2669697, 3559596, 5339394, 7119192, 10678788, 21357576]

約数ペア:

[(1, 21357576), (2, 10678788), (3, 7119192), (4, 5339394), (6, 3559596), (8, 2669697), (9, 2373064), (12, 1779798), (17, 1256328), (18, 1186532), (24, 889899), (34, 628164), (36, 593266), (51, 418776), (68, 314082), (72, 296633), (102, 209388), (136, 157041), (153, 139592), (204, 104694), (306, 69796), (408, 52347), (612, 34898), (1224, 17449)]