21837296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104987}}^1$

素因数の和:105008

約数の個数: 20

約数和(自身を含む): 45564792

約数和(自身を除く): 23727496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104987, 209974, 419948, 839896, 1364831, 1679792, 2729662, 5459324, 10918648, 21837296]

約数ペア:

[(1, 21837296), (2, 10918648), (4, 5459324), (8, 2729662), (13, 1679792), (16, 1364831), (26, 839896), (52, 419948), (104, 209974), (208, 104987)]