21735909

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5021}}^1$

素因数の和:5077

約数の個数: 24

約数和(自身を含む): 34732152

約数和(自身を除く): 12996243

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 5021, 15063, 45189, 65273, 185777, 195819, 557331, 587457, 1671993, 2415101, 7245303, 21735909]

約数ペア:

[(1, 21735909), (3, 7245303), (9, 2415101), (13, 1671993), (37, 587457), (39, 557331), (111, 195819), (117, 185777), (333, 65273), (481, 45189), (1443, 15063), (4329, 5021)]