21649228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6007}}^1$

素因数の和:6081

約数の個数: 24

約数和(自身を含む): 40878432

約数和(自身を除く): 19229204

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 6007, 12014, 24028, 102119, 204238, 318371, 408476, 636742, 1273484, 5412307, 10824614, 21649228]

約数ペア:

[(1, 21649228), (2, 10824614), (4, 5412307), (17, 1273484), (34, 636742), (53, 408476), (68, 318371), (106, 204238), (212, 102119), (901, 24028), (1802, 12014), (3604, 6007)]