21791898

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63719}}^1$

素因数の和:63746

約数の個数: 24

約数和(自身を含む): 49701600

約数和(自身を除く): 27909702

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63719, 127438, 191157, 382314, 573471, 1146942, 1210661, 2421322, 3631983, 7263966, 10895949, 21791898]

約数ペア:

[(1, 21791898), (2, 10895949), (3, 7263966), (6, 3631983), (9, 2421322), (18, 1210661), (19, 1146942), (38, 573471), (57, 382314), (114, 191157), (171, 127438), (342, 63719)]