21048363

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6551}}^1$

素因数の和:6584

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16691157

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6551, 19653, 45857, 58959, 111367, 137571, 176877, 334101, 412713, 779569, 1002303, 1238139, 2338707, 3006909, 7016121, 21048363]

約数ペア:

[(1, 21048363), (3, 7016121), (7, 3006909), (9, 2338707), (17, 1238139), (21, 1002303), (27, 779569), (51, 412713), (63, 334101), (119, 176877), (153, 137571), (189, 111367), (357, 58959), (459, 45857), (1071, 19653), (3213, 6551)]