21651390166

素因数分解:

$2^1\times 7^1\times {\mathrm{8263}}^1\times {\mathrm{187163}}^1$

素因数の和:195435

約数の個数: 16

約数和(自身を含む): 37121359104

約数和(自身を除く): 15469968938

約数列:

[1, 2, 7, 14, 8263, 16526, 57841, 115682, 187163, 374326, 1310141, 2620282, 1546527869, 3093055738, 10825695083, 21651390166]

約数ペア:

[(1, 21651390166), (2, 10825695083), (7, 3093055738), (14, 1546527869), (8263, 2620282), (16526, 1310141), (57841, 374326), (115682, 187163)]