21152679

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3659}}^1$

素因数の和:3750

約数の個数: 16

約数和(自身を含む): 29514240

約数和(自身を除く): 8361561

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3659, 5781, 10977, 150019, 171973, 450057, 515919, 7050893, 21152679]

約数ペア:

[(1, 21152679), (3, 7050893), (41, 515919), (47, 450057), (123, 171973), (141, 150019), (1927, 10977), (3659, 5781)]