21069037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 2725523

約数列:

[1, 11, 53, 71, 509, 583, 781, 3763, 5599, 26977, 36139, 41393, 296747, 397529, 1915367, 21069037]

約数ペア:

[(1, 21069037), (11, 1915367), (53, 397529), (71, 296747), (509, 41393), (583, 36139), (781, 26977), (3763, 5599)]