21729453

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 29514240

約数和(自身を除く): 7784787

約数列:

[1, 3, 107, 139, 321, 417, 487, 1461, 14873, 44619, 52109, 67693, 156327, 203079, 7243151, 21729453]

約数ペア:

[(1, 21729453), (3, 7243151), (107, 203079), (139, 156327), (321, 67693), (417, 52109), (487, 44619), (1461, 14873)]