21986609.000000000

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{17377}}^1$

素因数の和:17612

約数の個数: 48

約数和(自身を含む): 759071040

約数和(自身を除く): 480065928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 4014, 5352, 8028, 16056, 17377, 34754, 52131, 69508, 104262, 139016, 156393, 208524, 312786, 417048, 625572, 1251144, 3875071, 7750142, 11625213, 15500284, 23250426, 31000568, 34875639, 46500852, 69751278, 93001704, 139502556, 279005112]

約数ペア:

[(1, 279005112), (2, 139502556), (3, 93001704), (4, 69751278), (6, 46500852), (8, 34875639), (9, 31000568), (12, 23250426), (18, 15500284), (24, 11625213), (36, 7750142), (72, 3875071), (223, 1251144), (446, 625572), (669, 417048), (892, 312786), (1338, 208524), (1784, 156393), (2007, 139016), (2676, 104262), (4014, 69508), (5352, 52131), (8028, 34754), (16056, 17377)]