21246784

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25537}}^1$

素因数の和:25562

約数の個数: 28

約数和(自身を含む): 45406564

約数和(自身を除く): 24159780

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25537, 51074, 102148, 204296, 331981, 408592, 663962, 817184, 1327924, 1634368, 2655848, 5311696, 10623392, 21246784]

約数ペア:

[(1, 21246784), (2, 10623392), (4, 5311696), (8, 2655848), (13, 1634368), (16, 1327924), (26, 817184), (32, 663962), (52, 408592), (64, 331981), (104, 204296), (208, 102148), (416, 51074), (832, 25537)]