21826064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104933}}^1$

素因数の和:104954

約数の個数: 20

約数和(自身を含む): 45541356

約数和(自身を除く): 23715292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104933, 209866, 419732, 839464, 1364129, 1678928, 2728258, 5456516, 10913032, 21826064]

約数ペア:

[(1, 21826064), (2, 10913032), (4, 5456516), (8, 2728258), (13, 1678928), (16, 1364129), (26, 839464), (52, 419732), (104, 209866), (208, 104933)]