21899128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7001}}^1$

素因数の和:7047

約数の個数: 32

約数和(自身を含む): 45372960

約数和(自身を除く): 23473832

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 7001, 14002, 28004, 56008, 119017, 161023, 238034, 322046, 476068, 644092, 952136, 1288184, 2737391, 5474782, 10949564, 21899128]

約数ペア:

[(1, 21899128), (2, 10949564), (4, 5474782), (8, 2737391), (17, 1288184), (23, 952136), (34, 644092), (46, 476068), (68, 322046), (92, 238034), (136, 161023), (184, 119017), (391, 56008), (782, 28004), (1564, 14002), (3128, 7001)]