821604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9795

約数の個数: 24

約数和(自身を含む): 2191168

約数和(自身を除く): 1369564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 9781, 19562, 29343, 39124, 58686, 68467, 117372, 136934, 205401, 273868, 410802, 821604]

約数ペア:

[(1, 821604), (2, 410802), (3, 273868), (4, 205401), (6, 136934), (7, 117372), (12, 68467), (14, 58686), (21, 39124), (28, 29343), (42, 19562), (84, 9781)]