21293735169

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10831}}^1\times {\mathrm{5507}}^1$

素因数の和:16365

約数の個数: 32

約数和(自身を含む): 34365689856

約数和(自身を除く): 13071954687

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5507, 10831, 16521, 32493, 38549, 75817, 93619, 115647, 184127, 227451, 280857, 552381, 655333, 1288889, 1965999, 3866667, 59646317, 178938951, 417524219, 1013987389, 1252572657, 3041962167, 7097911723, 21293735169]

約数ペア:

[(1, 21293735169), (3, 7097911723), (7, 3041962167), (17, 1252572657), (21, 1013987389), (51, 417524219), (119, 178938951), (357, 59646317), (5507, 3866667), (10831, 1965999), (16521, 1288889), (32493, 655333), (38549, 552381), (75817, 280857), (93619, 227451), (115647, 184127)]