21645738

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1597}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 48323520

約数和(自身を除く): 26677782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1506, 1597, 2259, 3194, 4518, 4791, 6777, 9582, 13554, 14373, 28746, 43119, 86238, 400847, 801694, 1202541, 2405082, 3607623, 7215246, 10822869, 21645738]

約数ペア:

[(1, 21645738), (2, 10822869), (3, 7215246), (6, 3607623), (9, 2405082), (18, 1202541), (27, 801694), (54, 400847), (251, 86238), (502, 43119), (753, 28746), (1506, 14373), (1597, 13554), (2259, 9582), (3194, 6777), (4518, 4791)]