2121999838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7977443}}^1$

素因数の和:7977471

約数の個数: 16

約数和(自身を含む): 3829173120

約数和(自身を除く): 1707173282

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7977443, 15954886, 55842101, 111684202, 151571417, 303142834, 1060999919, 2121999838]

約数ペア:

[(1, 2121999838), (2, 1060999919), (7, 303142834), (14, 151571417), (19, 111684202), (38, 55842101), (133, 15954886), (266, 7977443)]