21129064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12637}}^1$

素因数の和:12673

約数の個数: 32

約数和(自身を含む): 45496800

約数和(自身を除く): 24367736

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12637, 25274, 50548, 101096, 139007, 240103, 278014, 480206, 556028, 960412, 1112056, 1920824, 2641133, 5282266, 10564532, 21129064]

約数ペア:

[(1, 21129064), (2, 10564532), (4, 5282266), (8, 2641133), (11, 1920824), (19, 1112056), (22, 960412), (38, 556028), (44, 480206), (76, 278014), (88, 240103), (152, 139007), (209, 101096), (418, 50548), (836, 25274), (1672, 12637)]