21007027

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 23535360

約数和(自身を除く): 2528333

約数列:

[1, 19, 23, 53, 437, 907, 1007, 1219, 17233, 20861, 23161, 48071, 396359, 913349, 1105633, 21007027]

約数ペア:

[(1, 21007027), (19, 1105633), (23, 913349), (53, 396359), (437, 48071), (907, 23161), (1007, 20861), (1219, 17233)]