21961746

素因数分解:

$2^1\times 3^3\times {\mathrm{406699}}^1$

素因数の和:406710

約数の個数: 16

約数和(自身を含む): 48804000

約数和(自身を除く): 26842254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406699, 813398, 1220097, 2440194, 3660291, 7320582, 10980873, 21961746]

約数ペア:

[(1, 21961746), (2, 10980873), (3, 7320582), (6, 3660291), (9, 2440194), (18, 1220097), (27, 813398), (54, 406699)]