21506556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{94327}}^1$

素因数の和:94353

約数の個数: 24

約数和(自身を含む): 52823680

約数和(自身を除く): 31317124

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 94327, 188654, 282981, 377308, 565962, 1131924, 1792213, 3584426, 5376639, 7168852, 10753278, 21506556]

約数ペア:

[(1, 21506556), (2, 10753278), (3, 7168852), (4, 5376639), (6, 3584426), (12, 1792213), (19, 1131924), (38, 565962), (57, 377308), (76, 282981), (114, 188654), (228, 94327)]