21007894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5743}}^1$

素因数の和:5835

約数の個数: 16

約数和(自身を含む): 33085440

約数和(自身を除く): 12077546

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5743, 11486, 178033, 338837, 356066, 677674, 10503947, 21007894]

約数ペア:

[(1, 21007894), (2, 10503947), (31, 677674), (59, 356066), (62, 338837), (118, 178033), (1829, 11486), (3658, 5743)]