21522080

素因数分解:

$2^5\times 5^1\times {\mathrm{134513}}^1$

素因数の和:134528

約数の個数: 24

約数和(自身を含む): 50846292

約数和(自身を除く): 29324212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134513, 269026, 538052, 672565, 1076104, 1345130, 2152208, 2690260, 4304416, 5380520, 10761040, 21522080]

約数ペア:

[(1, 21522080), (2, 10761040), (4, 5380520), (5, 4304416), (8, 2690260), (10, 2152208), (16, 1345130), (20, 1076104), (32, 672565), (40, 538052), (80, 269026), (160, 134513)]