21758187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21269}}^1$

素因数の和:21314

約数の個数: 16

約数和(自身を含む): 32670720

約数和(自身を除く): 10912533

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 21269, 63807, 233959, 659339, 701877, 1978017, 7252729, 21758187]

約数ペア:

[(1, 21758187), (3, 7252729), (11, 1978017), (31, 701877), (33, 659339), (93, 233959), (341, 63807), (1023, 21269)]