21431662

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5297}}^1$

素因数の和:5340

約数の個数: 24

約数和(自身を含む): 39035664

約数和(自身を除く): 17604002

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5297, 10594, 37079, 74158, 90049, 180098, 630343, 1260686, 1530833, 3061666, 10715831, 21431662]

約数ペア:

[(1, 21431662), (2, 10715831), (7, 3061666), (14, 1530833), (17, 1260686), (34, 630343), (119, 180098), (238, 90049), (289, 74158), (578, 37079), (2023, 10594), (4046, 5297)]