21628542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1861}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 46922400

約数和(自身を除く): 25293858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 149, 298, 447, 894, 1861, 1937, 3722, 3874, 5583, 5811, 11166, 11622, 24193, 48386, 72579, 145158, 277289, 554578, 831867, 1663734, 3604757, 7209514, 10814271, 21628542]

約数ペア:

[(1, 21628542), (2, 10814271), (3, 7209514), (6, 3604757), (13, 1663734), (26, 831867), (39, 554578), (78, 277289), (149, 145158), (298, 72579), (447, 48386), (894, 24193), (1861, 11622), (1937, 11166), (3722, 5811), (3874, 5583)]