2156869660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9803953}}^1$

素因数の和:9803973

約数の個数: 24

約数和(自身を含む): 4941192816

約数和(自身を除く): 2784323156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9803953, 19607906, 39215812, 49019765, 98039530, 107843483, 196079060, 215686966, 431373932, 539217415, 1078434830, 2156869660]

約数ペア:

[(1, 2156869660), (2, 1078434830), (4, 539217415), (5, 431373932), (10, 215686966), (11, 196079060), (20, 107843483), (22, 98039530), (44, 49019765), (55, 39215812), (110, 19607906), (220, 9803953)]