21152715

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38113}}^1$

素因数の和:38158

約数の個数: 16

約数和(自身を含む): 34759968

約数和(自身を除く): 13607253

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 38113, 114339, 190565, 571695, 1410181, 4230543, 7050905, 21152715]

約数ペア:

[(1, 21152715), (3, 7050905), (5, 4230543), (15, 1410181), (37, 571695), (111, 190565), (185, 114339), (555, 38113)]