21767656

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19861}}^1$

素因数の和:20004

約数の個数: 16

約数和(自身を含む): 41114340

約数和(自身を除く): 19346684

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19861, 39722, 79444, 158888, 2720957, 5441914, 10883828, 21767656]

約数ペア:

[(1, 21767656), (2, 10883828), (4, 5441914), (8, 2720957), (137, 158888), (274, 79444), (548, 39722), (1096, 19861)]