21598254

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17909}}^1$

素因数の和:17984

約数の個数: 24

約数和(自身を含む): 47497320

約数和(自身を除く): 25899066

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17909, 35818, 53727, 107454, 161181, 322362, 1199903, 2399806, 3599709, 7199418, 10799127, 21598254]

約数ペア:

[(1, 21598254), (2, 10799127), (3, 7199418), (6, 3599709), (9, 2399806), (18, 1199903), (67, 322362), (134, 161181), (201, 107454), (402, 53727), (603, 35818), (1206, 17909)]