21009588

素因数分解:

$2^2\times 3^1\times {\mathrm{179}}^1\times {\mathrm{9781}}^1$

素因数の和:9967

約数の個数: 24

約数和(自身を含む): 49301280

約数和(自身を除く): 28291692

約数列:

[1, 2, 3, 4, 6, 12, 179, 358, 537, 716, 1074, 2148, 9781, 19562, 29343, 39124, 58686, 117372, 1750799, 3501598, 5252397, 7003196, 10504794, 21009588]

約数ペア:

[(1, 21009588), (2, 10504794), (3, 7003196), (4, 5252397), (6, 3501598), (12, 1750799), (179, 117372), (358, 58686), (537, 39124), (716, 29343), (1074, 19562), (2148, 9781)]