21979932

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140897}}^1$

素因数の和:140917

約数の個数: 24

約数和(自身を含む): 55232016

約数和(自身を除く): 33252084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140897, 281794, 422691, 563588, 845382, 1690764, 1831661, 3663322, 5494983, 7326644, 10989966, 21979932]

約数ペア:

[(1, 21979932), (2, 10989966), (3, 7326644), (4, 5494983), (6, 3663322), (12, 1831661), (13, 1690764), (26, 845382), (39, 563588), (52, 422691), (78, 281794), (156, 140897)]