21252422

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4339}}^1$

素因数の和:4451

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 12078778

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4339, 4898, 8678, 134509, 269018, 342781, 685562, 10626211, 21252422]

約数ペア:

[(1, 21252422), (2, 10626211), (31, 685562), (62, 342781), (79, 269018), (158, 134509), (2449, 8678), (4339, 4898)]