21395011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1514

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3280829

約数列:

[1, 11, 29, 47, 319, 517, 1363, 1427, 14993, 15697, 41383, 67069, 455213, 737759, 1945001, 21395011]

約数ペア:

[(1, 21395011), (11, 1945001), (29, 737759), (47, 455213), (319, 67069), (517, 41383), (1363, 15697), (1427, 14993)]