21936447

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62497}}^1$

素因数の和:62519

約数の個数: 16

約数和(自身を含む): 34998880

約数和(自身を除く): 13062433

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62497, 187491, 562473, 812461, 1687419, 2437383, 7312149, 21936447]

約数ペア:

[(1, 21936447), (3, 7312149), (9, 2437383), (13, 1687419), (27, 812461), (39, 562473), (117, 187491), (351, 62497)]