21716462

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10979}}^1$

素因数の和:11047

約数の個数: 16

約数和(自身を含む): 34784640

約数和(自身を除く): 13068178

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10979, 21958, 252517, 472097, 505034, 944194, 10858231, 21716462]

約数ペア:

[(1, 21716462), (2, 10858231), (23, 944194), (43, 505034), (46, 472097), (86, 252517), (989, 21958), (1978, 10979)]