21000605384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238643243}}^1$

素因数の和:238643260

約数の個数: 16

約数和(自身を含む): 42955783920

約数和(自身を除く): 21955178536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238643243, 477286486, 954572972, 1909145944, 2625075673, 5250151346, 10500302692, 21000605384]

約数ペア:

[(1, 21000605384), (2, 10500302692), (4, 5250151346), (8, 2625075673), (11, 1909145944), (22, 954572972), (44, 477286486), (88, 238643243)]