21167124477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{178793}}^1$

素因数の和:178913

約数の個数: 32

約数和(自身を含む): 31124459520

約数和(自身を除く): 9957335043

約数列:

[1, 3, 19, 31, 57, 67, 93, 201, 589, 1273, 1767, 2077, 3819, 6231, 39463, 118389, 178793, 536379, 3397067, 5542583, 10191201, 11979131, 16627749, 35937393, 105309077, 227603489, 315927231, 371353061, 682810467, 1114059183, 7055708159, 21167124477]

約数ペア:

[(1, 21167124477), (3, 7055708159), (19, 1114059183), (31, 682810467), (57, 371353061), (67, 315927231), (93, 227603489), (201, 105309077), (589, 35937393), (1273, 16627749), (1767, 11979131), (2077, 10191201), (3819, 5542583), (6231, 3397067), (39463, 536379), (118389, 178793)]