21170120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23011}}^1$

素因数の和:23045

約数の個数: 32

約数和(自身を含む): 49705920

約数和(自身を除く): 28535800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23011, 46022, 92044, 115055, 184088, 230110, 460220, 529253, 920440, 1058506, 2117012, 2646265, 4234024, 5292530, 10585060, 21170120]

約数ペア:

[(1, 21170120), (2, 10585060), (4, 5292530), (5, 4234024), (8, 2646265), (10, 2117012), (20, 1058506), (23, 920440), (40, 529253), (46, 460220), (92, 230110), (115, 184088), (184, 115055), (230, 92044), (460, 46022), (920, 23011)]