21341552

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13751}}^1$

素因数の和:13856

約数の個数: 20

約数和(自身を含む): 41778576

約数和(自身を除く): 20437024

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13751, 27502, 55004, 110008, 220016, 1333847, 2667694, 5335388, 10670776, 21341552]

約数ペア:

[(1, 21341552), (2, 10670776), (4, 5335388), (8, 2667694), (16, 1333847), (97, 220016), (194, 110008), (388, 55004), (776, 27502), (1552, 13751)]