21229574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13606906

約数列:

[1, 2, 19, 38, 53, 83, 106, 127, 166, 254, 1007, 1577, 2014, 2413, 3154, 4399, 4826, 6731, 8798, 10541, 13462, 21082, 83581, 127889, 167162, 200279, 255778, 400558, 558673, 1117346, 10614787, 21229574]

約数ペア:

[(1, 21229574), (2, 10614787), (19, 1117346), (38, 558673), (53, 400558), (83, 255778), (106, 200279), (127, 167162), (166, 127889), (254, 83581), (1007, 21082), (1577, 13462), (2014, 10541), (2413, 8798), (3154, 6731), (4399, 4826)]