21207224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85513}}^1$

素因数の和:85550

約数の個数: 16

約数和(自身を含む): 41046720

約数和(自身を除く): 19839496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85513, 171026, 342052, 684104, 2650903, 5301806, 10603612, 21207224]

約数ペア:

[(1, 21207224), (2, 10603612), (4, 5301806), (8, 2650903), (31, 684104), (62, 342052), (124, 171026), (248, 85513)]