21931064

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66863}}^1$

素因数の和:66910

約数の個数: 16

約数和(自身を含む): 42124320

約数和(自身を除く): 20193256

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66863, 133726, 267452, 534904, 2741383, 5482766, 10965532, 21931064]

約数ペア:

[(1, 21931064), (2, 10965532), (4, 5482766), (8, 2741383), (41, 534904), (82, 267452), (164, 133726), (328, 66863)]