21661492

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 41110020

約数和(自身を除く): 19448528

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 353, 529, 667, 706, 1058, 1334, 1412, 2116, 2668, 8119, 10237, 15341, 16238, 20474, 30682, 32476, 40948, 61364, 186737, 235451, 373474, 470902, 746948, 941804, 5415373, 10830746, 21661492]

約数ペア:

[(1, 21661492), (2, 10830746), (4, 5415373), (23, 941804), (29, 746948), (46, 470902), (58, 373474), (92, 235451), (116, 186737), (353, 61364), (529, 40948), (667, 32476), (706, 30682), (1058, 20474), (1334, 16238), (1412, 15341), (2116, 10237), (2668, 8119)]