21969717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{95107}}^1$

素因数の和:95128

約数の個数: 16

約数和(自身を含む): 36521472

約数和(自身を除く): 14551755

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 95107, 285321, 665749, 1046177, 1997247, 3138531, 7323239, 21969717]

約数ペア:

[(1, 21969717), (3, 7323239), (7, 3138531), (11, 1997247), (21, 1046177), (33, 665749), (77, 285321), (231, 95107)]