21086055

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6791}}^1$

素因数の和:6828

約数の個数: 32

約数和(自身を含む): 39121920

約数和(自身を除く): 18035865

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6791, 20373, 33955, 61119, 101865, 156193, 183357, 305595, 468579, 780965, 916785, 1405737, 2342895, 4217211, 7028685, 21086055]

約数ペア:

[(1, 21086055), (3, 7028685), (5, 4217211), (9, 2342895), (15, 1405737), (23, 916785), (27, 780965), (45, 468579), (69, 305595), (115, 183357), (135, 156193), (207, 101865), (345, 61119), (621, 33955), (1035, 20373), (3105, 6791)]