21466941

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2749}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 30360000

約数和(自身を除く): 8893059

約数列:

[1, 3, 19, 57, 137, 411, 2603, 2749, 7809, 8247, 52231, 156693, 376613, 1129839, 7155647, 21466941]

約数ペア:

[(1, 21466941), (3, 7155647), (19, 1129839), (57, 376613), (137, 156693), (411, 52231), (2603, 8247), (2749, 7809)]