21006401331

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1263239}}^1$

素因数の和:1263506

約数の個数: 16

約数和(自身を含む): 29347591680

約数和(自身を除く): 8341190349

約数列:

[1, 3, 23, 69, 241, 723, 5543, 16629, 1263239, 3789717, 29054497, 87163491, 304440599, 913321797, 7002133777, 21006401331]

約数ペア:

[(1, 21006401331), (3, 7002133777), (23, 913321797), (69, 304440599), (241, 87163491), (723, 29054497), (5543, 3789717), (16629, 1263239)]