21463385188

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40344709}}^1$

素因数の和:40344739

約数の個数: 24

約数和(自身を含む): 45186075200

約数和(自身を除く): 23722690012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40344709, 80689418, 161378836, 282412963, 564825926, 766549471, 1129651852, 1533098942, 3066197884, 5365846297, 10731692594, 21463385188]

約数ペア:

[(1, 21463385188), (2, 10731692594), (4, 5365846297), (7, 3066197884), (14, 1533098942), (19, 1129651852), (28, 766549471), (38, 564825926), (76, 282412963), (133, 161378836), (266, 80689418), (532, 40344709)]