21827805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 14944035

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 419, 453, 755, 1257, 2095, 2265, 3473, 6285, 9637, 10419, 17365, 28911, 48185, 52095, 63269, 144555, 189807, 316345, 949035, 1455187, 4365561, 7275935, 21827805]

約数ペア:

[(1, 21827805), (3, 7275935), (5, 4365561), (15, 1455187), (23, 949035), (69, 316345), (115, 189807), (151, 144555), (345, 63269), (419, 52095), (453, 48185), (755, 28911), (1257, 17365), (2095, 10419), (2265, 9637), (3473, 6285)]