21232869

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6203}}^1$

素因数の和:6376

約数の個数: 16

約数和(自身を含む): 32558592

約数和(自身を除く): 11325723

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6203, 18609, 43421, 130263, 1011089, 3033267, 7077623, 21232869]

約数ペア:

[(1, 21232869), (3, 7077623), (7, 3033267), (21, 1011089), (163, 130263), (489, 43421), (1141, 18609), (3423, 6203)]