21930700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19937}}^1$

素因数の和:19962

約数の個数: 36

約数和(自身を含む): 51918552

約数和(自身を除く): 29987852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19937, 39874, 79748, 99685, 199370, 219307, 398740, 438614, 498425, 877228, 996850, 1096535, 1993700, 2193070, 4386140, 5482675, 10965350, 21930700]

約数ペア:

[(1, 21930700), (2, 10965350), (4, 5482675), (5, 4386140), (10, 2193070), (11, 1993700), (20, 1096535), (22, 996850), (25, 877228), (44, 498425), (50, 438614), (55, 398740), (100, 219307), (110, 199370), (220, 99685), (275, 79748), (550, 39874), (1100, 19937)]