21093736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3607}}^1$

素因数の和:3673

約数の個数: 32

約数和(自身を含む): 42863040

約数和(自身を除く): 21769304

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3607, 5848, 7214, 14428, 28856, 61319, 122638, 155101, 245276, 310202, 490552, 620404, 1240808, 2636717, 5273434, 10546868, 21093736]

約数ペア:

[(1, 21093736), (2, 10546868), (4, 5273434), (8, 2636717), (17, 1240808), (34, 620404), (43, 490552), (68, 310202), (86, 245276), (136, 155101), (172, 122638), (344, 61319), (731, 28856), (1462, 14428), (2924, 7214), (3607, 5848)]