21509102

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^3$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 35186112

約数和(自身を除く): 13677010

約数列:

[1, 2, 19, 31, 38, 62, 361, 589, 722, 961, 1178, 1922, 11191, 18259, 22382, 29791, 36518, 59582, 346921, 566029, 693842, 1132058, 10754551, 21509102]

約数ペア:

[(1, 21509102), (2, 10754551), (19, 1132058), (31, 693842), (38, 566029), (62, 346921), (361, 59582), (589, 36518), (722, 29791), (961, 22382), (1178, 18259), (1922, 11191)]