21326235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 17906277

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1031, 1379, 2955, 3093, 4137, 5155, 6895, 7217, 15465, 20685, 21651, 36085, 108255, 203107, 609321, 1015535, 1421749, 3046605, 4265247, 7108745, 21326235]

約数ペア:

[(1, 21326235), (3, 7108745), (5, 4265247), (7, 3046605), (15, 1421749), (21, 1015535), (35, 609321), (105, 203107), (197, 108255), (591, 36085), (985, 21651), (1031, 20685), (1379, 15465), (2955, 7217), (3093, 6895), (4137, 5155)]