21309528

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6481}}^1$

素因数の和:6627

約数の個数: 32

約数和(自身を含む): 53670960

約数和(自身を除く): 32361432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6481, 12962, 19443, 25924, 38886, 51848, 77772, 155544, 887897, 1775794, 2663691, 3551588, 5327382, 7103176, 10654764, 21309528]

約数ペア:

[(1, 21309528), (2, 10654764), (3, 7103176), (4, 5327382), (6, 3551588), (8, 2663691), (12, 1775794), (24, 887897), (137, 155544), (274, 77772), (411, 51848), (548, 38886), (822, 25924), (1096, 19443), (1644, 12962), (3288, 6481)]