21620056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3763

約数の個数: 32

約数和(自身を含む): 43932240

約数和(自身を除く): 22312184

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3697, 5848, 7394, 14788, 29576, 62849, 125698, 158971, 251396, 317942, 502792, 635884, 1271768, 2702507, 5405014, 10810028, 21620056]

約数ペア:

[(1, 21620056), (2, 10810028), (4, 5405014), (8, 2702507), (17, 1271768), (34, 635884), (43, 502792), (68, 317942), (86, 251396), (136, 158971), (172, 125698), (344, 62849), (731, 29576), (1462, 14788), (2924, 7394), (3697, 5848)]