21171144

素因数分解:

$2^3\times 3^1\times {\mathrm{677}}^1\times {\mathrm{1303}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 53046720

約数和(自身を除く): 31875576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 677, 1303, 1354, 2031, 2606, 2708, 3909, 4062, 5212, 5416, 7818, 8124, 10424, 15636, 16248, 31272, 882131, 1764262, 2646393, 3528524, 5292786, 7057048, 10585572, 21171144]

約数ペア:

[(1, 21171144), (2, 10585572), (3, 7057048), (4, 5292786), (6, 3528524), (8, 2646393), (12, 1764262), (24, 882131), (677, 31272), (1303, 16248), (1354, 15636), (2031, 10424), (2606, 8124), (2708, 7818), (3909, 5416), (4062, 5212)]