21358494

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 28017378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 223, 306, 313, 446, 626, 669, 939, 1338, 1878, 2007, 2817, 3791, 4014, 5321, 5634, 7582, 10642, 11373, 15963, 22746, 31926, 34119, 47889, 68238, 69799, 95778, 139598, 209397, 418794, 628191, 1186583, 1256382, 2373166, 3559749, 7119498, 10679247, 21358494]

約数ペア:

[(1, 21358494), (2, 10679247), (3, 7119498), (6, 3559749), (9, 2373166), (17, 1256382), (18, 1186583), (34, 628191), (51, 418794), (102, 209397), (153, 139598), (223, 95778), (306, 69799), (313, 68238), (446, 47889), (626, 34119), (669, 31926), (939, 22746), (1338, 15963), (1878, 11373), (2007, 10642), (2817, 7582), (3791, 5634), (4014, 5321)]