21120160

素因数分解:

$2^5\times 5^1\times {\mathrm{132001}}^1$

素因数の和:132016

約数の個数: 24

約数和(自身を含む): 49896756

約数和(自身を除く): 28776596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 132001, 264002, 528004, 660005, 1056008, 1320010, 2112016, 2640020, 4224032, 5280040, 10560080, 21120160]

約数ペア:

[(1, 21120160), (2, 10560080), (4, 5280040), (5, 4224032), (8, 2640020), (10, 2112016), (16, 1320010), (20, 1056008), (32, 660005), (40, 528004), (80, 264002), (160, 132001)]