21599746

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 38587392

約数和(自身を除く): 16987646

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 317, 434, 634, 1099, 2198, 2219, 4438, 4867, 9734, 9827, 19654, 34069, 49769, 68138, 68789, 99538, 137578, 348383, 696766, 1542839, 3085678, 10799873, 21599746]

約数ペア:

[(1, 21599746), (2, 10799873), (7, 3085678), (14, 1542839), (31, 696766), (62, 348383), (157, 137578), (217, 99538), (314, 68789), (317, 68138), (434, 49769), (634, 34069), (1099, 19654), (2198, 9827), (2219, 9734), (4438, 4867)]