21566115

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9397}}^1$

素因数の和:9428

約数の個数: 32

約数和(自身を含む): 40599360

約数和(自身を除く): 19033245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9397, 28191, 46985, 84573, 140955, 159749, 253719, 422865, 479247, 798745, 1268595, 1437741, 2396235, 4313223, 7188705, 21566115]

約数ペア:

[(1, 21566115), (3, 7188705), (5, 4313223), (9, 2396235), (15, 1437741), (17, 1268595), (27, 798745), (45, 479247), (51, 422865), (85, 253719), (135, 159749), (153, 140955), (255, 84573), (459, 46985), (765, 28191), (2295, 9397)]