21804939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 34109712

約数和(自身を除く): 12304773

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 821, 2043, 2463, 2951, 7389, 8853, 10673, 26559, 32019, 96057, 186367, 559101, 1677303, 2422771, 7268313, 21804939]

約数ペア:

[(1, 21804939), (3, 7268313), (9, 2422771), (13, 1677303), (39, 559101), (117, 186367), (227, 96057), (681, 32019), (821, 26559), (2043, 10673), (2463, 8853), (2951, 7389)]