21709492

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3089}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 43606080

約数和(自身を除く): 21896588

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3089, 3514, 6178, 7028, 12356, 21623, 43246, 86492, 775339, 1550678, 3101356, 5427373, 10854746, 21709492]

約数ペア:

[(1, 21709492), (2, 10854746), (4, 5427373), (7, 3101356), (14, 1550678), (28, 775339), (251, 86492), (502, 43246), (1004, 21623), (1757, 12356), (3089, 7028), (3514, 6178)]