21127044

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 29506812

約数列:

[1, 2, 3, 4, 6, 12, 71, 137, 142, 181, 213, 274, 284, 362, 411, 426, 543, 548, 724, 822, 852, 1086, 1644, 2172, 9727, 12851, 19454, 24797, 25702, 29181, 38553, 38908, 49594, 51404, 58362, 74391, 77106, 99188, 116724, 148782, 154212, 297564, 1760587, 3521174, 5281761, 7042348, 10563522, 21127044]

約数ペア:

[(1, 21127044), (2, 10563522), (3, 7042348), (4, 5281761), (6, 3521174), (12, 1760587), (71, 297564), (137, 154212), (142, 148782), (181, 116724), (213, 99188), (274, 77106), (284, 74391), (362, 58362), (411, 51404), (426, 49594), (543, 38908), (548, 38553), (724, 29181), (822, 25702), (852, 24797), (1086, 19454), (1644, 12851), (2172, 9727)]