21120012

素因数分解:

$2^2\times 3^2\times {\mathrm{586667}}^1$

素因数の和:586677

約数の個数: 18

約数和(自身を含む): 53386788

約数和(自身を除く): 32266776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586667, 1173334, 1760001, 2346668, 3520002, 5280003, 7040004, 10560006, 21120012]

約数ペア:

[(1, 21120012), (2, 10560006), (3, 7040004), (4, 5280003), (6, 3520002), (9, 2346668), (12, 1760001), (18, 1173334), (36, 586667)]