21549866

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 24

約数和(自身を含む): 35399520

約数和(自身を除く): 13849654

約数列:

[1, 2, 13, 26, 103, 169, 206, 338, 619, 1238, 1339, 2678, 8047, 16094, 17407, 34814, 63757, 104611, 127514, 209222, 828841, 1657682, 10774933, 21549866]

約数ペア:

[(1, 21549866), (2, 10774933), (13, 1657682), (26, 828841), (103, 209222), (169, 127514), (206, 104611), (338, 63757), (619, 34814), (1238, 17407), (1339, 16094), (2678, 8047)]