21644421

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 29449728

約数和(自身を除く): 7805307

約数列:

[1, 3, 71, 213, 307, 331, 921, 993, 21797, 23501, 65391, 70503, 101617, 304851, 7214807, 21644421]

約数ペア:

[(1, 21644421), (3, 7214807), (71, 304851), (213, 101617), (307, 70503), (331, 65391), (921, 23501), (993, 21797)]