20921879314

素因数分解:

$2^1\times 7^1\times {\mathrm{19739}}^1\times {\mathrm{75709}}^1$

素因数の和:95457

約数の個数: 16

約数和(自身を含む): 35868369600

約数和(自身を除く): 14946490286

約数列:

[1, 2, 7, 14, 19739, 39478, 75709, 138173, 151418, 276346, 529963, 1059926, 1494419951, 2988839902, 10460939657, 20921879314]

約数ペア:

[(1, 20921879314), (2, 10460939657), (7, 2988839902), (14, 1494419951), (19739, 1059926), (39478, 529963), (75709, 276346), (138173, 151418)]