21146259

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1063}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 29792000

約数和(自身を除く): 8645741

約数列:

[1, 3, 19, 57, 349, 1047, 1063, 3189, 6631, 19893, 20197, 60591, 370987, 1112961, 7048753, 21146259]

約数ペア:

[(1, 21146259), (3, 7048753), (19, 1112961), (57, 370987), (349, 60591), (1047, 20197), (1063, 19893), (3189, 6631)]