21508473

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44531}}^1$

素因数の和:44564

約数の個数: 16

約数和(自身を含む): 34200576

約数和(自身を除く): 12692103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44531, 133593, 311717, 935151, 1024213, 3072639, 7169491, 21508473]

約数ペア:

[(1, 21508473), (3, 7169491), (7, 3072639), (21, 1024213), (23, 935151), (69, 311717), (161, 133593), (483, 44531)]