21395481

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3701}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 29852928

約数和(自身を除く): 8457447

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3701, 5781, 11103, 151741, 173947, 455223, 521841, 7131827, 21395481]

約数ペア:

[(1, 21395481), (3, 7131827), (41, 521841), (47, 455223), (123, 173947), (141, 151741), (1927, 11103), (3701, 5781)]