21228333

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43951}}^1$

素因数の和:43984

約数の個数: 16

約数和(自身を含む): 33755136

約数和(自身を除く): 12526803

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43951, 131853, 307657, 922971, 1010873, 3032619, 7076111, 21228333]

約数ペア:

[(1, 21228333), (3, 7076111), (7, 3032619), (21, 1010873), (23, 922971), (69, 307657), (161, 131853), (483, 43951)]