21569273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 24870912

約数和(自身を除く): 3301639

約数列:

[1, 11, 31, 43, 341, 473, 1333, 1471, 14663, 16181, 45601, 63253, 501611, 695783, 1960843, 21569273]

約数ペア:

[(1, 21569273), (11, 1960843), (31, 695783), (43, 501611), (341, 63253), (473, 45601), (1333, 16181), (1471, 14663)]