21765374

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1367}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 12708226

約数列:

[1, 2, 19, 38, 419, 838, 1367, 2734, 7961, 15922, 25973, 51946, 572773, 1145546, 10882687, 21765374]

約数ペア:

[(1, 21765374), (2, 10882687), (19, 1145546), (38, 572773), (419, 51946), (838, 25973), (1367, 15922), (2734, 7961)]