21099056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119881}}^1$

素因数の和:119900

約数の個数: 20

約数和(自身を含む): 44596104

約数和(自身を除く): 23497048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119881, 239762, 479524, 959048, 1318691, 1918096, 2637382, 5274764, 10549528, 21099056]

約数ペア:

[(1, 21099056), (2, 10549528), (4, 5274764), (8, 2637382), (11, 1918096), (16, 1318691), (22, 959048), (44, 479524), (88, 239762), (176, 119881)]