21134145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 36367488

約数和(自身を除く): 15233343

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 1237, 3417, 3711, 5695, 6185, 17085, 18555, 21029, 63087, 82879, 105145, 248637, 315435, 414395, 1243185, 1408943, 4226829, 7044715, 21134145]

約数ペア:

[(1, 21134145), (3, 7044715), (5, 4226829), (15, 1408943), (17, 1243185), (51, 414395), (67, 315435), (85, 248637), (201, 105145), (255, 82879), (335, 63087), (1005, 21029), (1139, 18555), (1237, 17085), (3417, 6185), (3711, 5695)]