21535448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244721}}^1$

素因数の和:244738

約数の個数: 16

約数和(自身を含む): 44049960

約数和(自身を除く): 22514512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244721, 489442, 978884, 1957768, 2691931, 5383862, 10767724, 21535448]

約数ペア:

[(1, 21535448), (2, 10767724), (4, 5383862), (8, 2691931), (11, 1957768), (22, 978884), (44, 489442), (88, 244721)]