21574036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11959}}^1$

素因数の和:12015

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 20620844

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11959, 23918, 47836, 131549, 263098, 490319, 526196, 980638, 1961276, 5393509, 10787018, 21574036]

約数ペア:

[(1, 21574036), (2, 10787018), (4, 5393509), (11, 1961276), (22, 980638), (41, 526196), (44, 490319), (82, 263098), (164, 131549), (451, 47836), (902, 23918), (1804, 11959)]