21219088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120563}}^1$

素因数の和:120582

約数の個数: 20

約数和(自身を含む): 44849808

約数和(自身を除く): 23630720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120563, 241126, 482252, 964504, 1326193, 1929008, 2652386, 5304772, 10609544, 21219088]

約数ペア:

[(1, 21219088), (2, 10609544), (4, 5304772), (8, 2652386), (11, 1929008), (16, 1326193), (22, 964504), (44, 482252), (88, 241126), (176, 120563)]