21850695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9521}}^1$

素因数の和:9552

約数の個数: 32

約数和(自身を含む): 41135040

約数和(自身を除く): 19284345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9521, 28563, 47605, 85689, 142815, 161857, 257067, 428445, 485571, 809285, 1285335, 1456713, 2427855, 4370139, 7283565, 21850695]

約数ペア:

[(1, 21850695), (3, 7283565), (5, 4370139), (9, 2427855), (15, 1456713), (17, 1285335), (27, 809285), (45, 485571), (51, 428445), (85, 257067), (135, 161857), (153, 142815), (255, 85689), (459, 47605), (765, 28563), (2295, 9521)]