21738573

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 32629688

約数和(自身を除く): 10891115

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 673, 873, 2019, 3589, 6057, 10767, 24901, 32301, 65281, 74703, 195843, 224109, 587529, 2415397, 7246191, 21738573]

約数ペア:

[(1, 21738573), (3, 7246191), (9, 2415397), (37, 587529), (97, 224109), (111, 195843), (291, 74703), (333, 65281), (673, 32301), (873, 24901), (2019, 10767), (3589, 6057)]