21868384

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5381}}^1$

素因数の和:5518

約数の個数: 24

約数和(自身を含む): 43400448

約数和(自身を除く): 21532064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5381, 10762, 21524, 43048, 86096, 172192, 683387, 1366774, 2733548, 5467096, 10934192, 21868384]

約数ペア:

[(1, 21868384), (2, 10934192), (4, 5467096), (8, 2733548), (16, 1366774), (32, 683387), (127, 172192), (254, 86096), (508, 43048), (1016, 21524), (2032, 10762), (4064, 5381)]