21777888743

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{7603}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 24997480848

約数和(自身を除く): 3219592105

約数列:

[1, 13, 17, 169, 221, 997, 2873, 7603, 12961, 16949, 98839, 129251, 168493, 220337, 1284907, 1680263, 2864381, 7580191, 21843419, 98542483, 128863247, 1281052279, 1675222211, 21777888743]

約数ペア:

[(1, 21777888743), (13, 1675222211), (17, 1281052279), (169, 128863247), (221, 98542483), (997, 21843419), (2873, 7580191), (7603, 2864381), (12961, 1680263), (16949, 1284907), (98839, 220337), (129251, 168493)]