21162808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4801}}^1$

素因数の和:4855

約数の個数: 32

約数和(自身を含む): 43218000

約数和(自身を除く): 22055192

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4801, 9602, 19204, 38408, 91219, 139229, 182438, 278458, 364876, 556916, 729752, 1113832, 2645351, 5290702, 10581404, 21162808]

約数ペア:

[(1, 21162808), (2, 10581404), (4, 5290702), (8, 2645351), (19, 1113832), (29, 729752), (38, 556916), (58, 364876), (76, 278458), (116, 182438), (152, 139229), (232, 91219), (551, 38408), (1102, 19204), (2204, 9602), (4408, 4801)]