21330585

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5711}}^1$

素因数の和:5805

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 16094439

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5711, 17133, 28555, 51399, 85665, 256995, 474013, 1422039, 2370065, 4266117, 7110195, 21330585]

約数ペア:

[(1, 21330585), (3, 7110195), (5, 4266117), (9, 2370065), (15, 1422039), (45, 474013), (83, 256995), (249, 85665), (415, 51399), (747, 28555), (1245, 17133), (3735, 5711)]