21615672945

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{286547}}^1$

素因数の和:286709

約数の個数: 32

約数和(自身を含む): 35651155968

約数和(自身を除く): 14035483023

約数列:

[1, 3, 5, 15, 47, 107, 141, 235, 321, 535, 705, 1605, 5029, 15087, 25145, 75435, 286547, 859641, 1432735, 4298205, 13467709, 30660529, 40403127, 67338545, 91981587, 153302645, 202015635, 459907935, 1441044863, 4323134589, 7205224315, 21615672945]

約数ペア:

[(1, 21615672945), (3, 7205224315), (5, 4323134589), (15, 1441044863), (47, 459907935), (107, 202015635), (141, 153302645), (235, 91981587), (321, 67338545), (535, 40403127), (705, 30660529), (1605, 13467709), (5029, 4298205), (15087, 1432735), (25145, 859641), (75435, 286547)]