21004935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17605497

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 797, 1255, 1757, 2391, 3765, 3985, 5271, 5579, 8785, 11955, 16737, 26355, 27895, 83685, 200047, 600141, 1000235, 1400329, 3000705, 4200987, 7001645, 21004935]

約数ペア:

[(1, 21004935), (3, 7001645), (5, 4200987), (7, 3000705), (15, 1400329), (21, 1000235), (35, 600141), (105, 200047), (251, 83685), (753, 27895), (797, 26355), (1255, 16737), (1757, 11955), (2391, 8785), (3765, 5579), (3985, 5271)]