21423376478

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3485743}}^1$

素因数の和:3486191

約数の個数: 16

約数和(自身を含む): 36809456640

約数和(自身を除く): 15386080162

約数列:

[1, 2, 7, 14, 439, 878, 3073, 6146, 3485743, 6971486, 24400201, 48800402, 1530241177, 3060482354, 10711688239, 21423376478]

約数ペア:

[(1, 21423376478), (2, 10711688239), (7, 3060482354), (14, 1530241177), (439, 48800402), (878, 24400201), (3073, 6971486), (6146, 3485743)]