21863245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5508275

約数列:

[1, 5, 29, 131, 145, 655, 1151, 3799, 5755, 18995, 33379, 150781, 166895, 753905, 4372649, 21863245]

約数ペア:

[(1, 21863245), (5, 4372649), (29, 753905), (131, 166895), (145, 150781), (655, 33379), (1151, 18995), (3799, 5755)]