21160040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48091}}^1$

素因数の和:48113

約数の個数: 32

約数和(自身を含む): 51939360

約数和(自身を除く): 30779320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48091, 96182, 192364, 240455, 384728, 480910, 529001, 961820, 1058002, 1923640, 2116004, 2645005, 4232008, 5290010, 10580020, 21160040]

約数ペア:

[(1, 21160040), (2, 10580020), (4, 5290010), (5, 4232008), (8, 2645005), (10, 2116004), (11, 1923640), (20, 1058002), (22, 961820), (40, 529001), (44, 480910), (55, 384728), (88, 240455), (110, 192364), (220, 96182), (440, 48091)]