21181574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1327}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 33274368

約数和(自身を除く): 12092794

約数列:

[1, 2, 23, 46, 347, 694, 1327, 2654, 7981, 15962, 30521, 61042, 460469, 920938, 10590787, 21181574]

約数ペア:

[(1, 21181574), (2, 10590787), (23, 920938), (46, 460469), (347, 61042), (694, 30521), (1327, 15962), (2654, 7981)]