21286624726

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1\times {\mathrm{157639}}^1$

素因数の和:158379

約数の個数: 16

約数和(自身を含む): 32279627520

約数和(自身を除く): 10993002794

約数列:

[1, 2, 107, 214, 631, 1262, 67517, 135034, 157639, 315278, 16867373, 33734746, 99470209, 198940418, 10643312363, 21286624726]

約数ペア:

[(1, 21286624726), (2, 10643312363), (107, 198940418), (214, 99470209), (631, 33734746), (1262, 16867373), (67517, 315278), (135034, 157639)]