21396882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8849}}^1$

素因数の和:8898

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26180718

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8849, 17698, 26547, 53094, 115037, 230074, 274319, 345111, 548638, 690222, 822957, 1645914, 3566147, 7132294, 10698441, 21396882]

約数ペア:

[(1, 21396882), (2, 10698441), (3, 7132294), (6, 3566147), (13, 1645914), (26, 822957), (31, 690222), (39, 548638), (62, 345111), (78, 274319), (93, 230074), (186, 115037), (403, 53094), (806, 26547), (1209, 17698), (2418, 8849)]