21178837

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 2109995

約数列:

[1, 23, 37, 41, 607, 851, 943, 1517, 13961, 22459, 24887, 34891, 516557, 572401, 920819, 21178837]

約数ペア:

[(1, 21178837), (23, 920819), (37, 572401), (41, 516557), (607, 34891), (851, 24887), (943, 22459), (1517, 13961)]