21774705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5023}}^1$

素因数の和:5065

約数の個数: 24

約数和(自身を含む): 37016832

約数和(自身を除く): 15242127

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 5023, 15069, 25115, 75345, 85391, 256173, 426955, 1280865, 1451647, 4354941, 7258235, 21774705]

約数ペア:

[(1, 21774705), (3, 7258235), (5, 4354941), (15, 1451647), (17, 1280865), (51, 426955), (85, 256173), (255, 85391), (289, 75345), (867, 25115), (1445, 15069), (4335, 5023)]