21795496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3727}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 44288640

約数和(自身を除く): 22493144

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3727, 5848, 7454, 14908, 29816, 63359, 126718, 160261, 253436, 320522, 506872, 641044, 1282088, 2724437, 5448874, 10897748, 21795496]

約数ペア:

[(1, 21795496), (2, 10897748), (4, 5448874), (8, 2724437), (17, 1282088), (34, 641044), (43, 506872), (68, 320522), (86, 253436), (136, 160261), (172, 126718), (344, 63359), (731, 29816), (1462, 14908), (2924, 7454), (3727, 5848)]