21286842

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{39863}}^1$

素因数の和:39957

約数の個数: 16

約数和(自身を含む): 43053120

約数和(自身を除く): 21766278

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 39863, 79726, 119589, 239178, 3547807, 7095614, 10643421, 21286842]

約数ペア:

[(1, 21286842), (2, 10643421), (3, 7095614), (6, 3547807), (89, 239178), (178, 119589), (267, 79726), (534, 39863)]