21496813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 2404883

約数列:

[1, 13, 47, 151, 233, 611, 1963, 3029, 7097, 10951, 35183, 92261, 142363, 457379, 1653601, 21496813]

約数ペア:

[(1, 21496813), (13, 1653601), (47, 457379), (151, 142363), (233, 92261), (611, 35183), (1963, 10951), (3029, 7097)]