21017387831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1\times {\mathrm{15497}}^1$

素因数の和:16534

約数の個数: 16

約数和(自身を含む): 23120536320

約数和(自身を除く): 2103148489

約数列:

[1, 11, 139, 887, 1529, 9757, 15497, 123293, 170467, 1356223, 2154083, 13745839, 23694913, 151204229, 1910671621, 21017387831]

約数ペア:

[(1, 21017387831), (11, 1910671621), (139, 151204229), (887, 23694913), (1529, 13745839), (9757, 2154083), (15497, 1356223), (123293, 170467)]