21639768

素因数分解:

$2^3\times 3^1\times {\mathrm{901657}}^1$

素因数の和:901666

約数の個数: 16

約数和(自身を含む): 54099480

約数和(自身を除く): 32459712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 901657, 1803314, 2704971, 3606628, 5409942, 7213256, 10819884, 21639768]

約数ペア:

[(1, 21639768), (2, 10819884), (3, 7213256), (4, 5409942), (6, 3606628), (8, 2704971), (12, 1803314), (24, 901657)]