21363705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43159}}^1$

素因数の和:43181

約数の個数: 24

約数和(自身を含む): 40397760

約数和(自身を除く): 19034055

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43159, 129477, 215795, 388431, 474749, 647385, 1424247, 1942155, 2373745, 4272741, 7121235, 21363705]

約数ペア:

[(1, 21363705), (3, 7121235), (5, 4272741), (9, 2373745), (11, 1942155), (15, 1424247), (33, 647385), (45, 474749), (55, 388431), (99, 215795), (165, 129477), (495, 43159)]