21722766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278497}}^1$

素因数の和:278515

約数の個数: 16

約数和(自身を含む): 46787664

約数和(自身を除く): 25064898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278497, 556994, 835491, 1670982, 3620461, 7240922, 10861383, 21722766]

約数ペア:

[(1, 21722766), (2, 10861383), (3, 7240922), (6, 3620461), (13, 1670982), (26, 835491), (39, 556994), (78, 278497)]