20211478672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16405421}}^1$

素因数の和:16405447

約数の個数: 40

約数和(自身を含む): 48822535872

約数和(自身を除く): 28611057200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16405421, 32810842, 65621684, 114837947, 131243368, 180459631, 229675894, 262486736, 360919262, 459351788, 721838524, 918703576, 1263217417, 1443677048, 1837407152, 2526434834, 2887354096, 5052869668, 10105739336, 20211478672]

約数ペア:

[(1, 20211478672), (2, 10105739336), (4, 5052869668), (7, 2887354096), (8, 2526434834), (11, 1837407152), (14, 1443677048), (16, 1263217417), (22, 918703576), (28, 721838524), (44, 459351788), (56, 360919262), (77, 262486736), (88, 229675894), (112, 180459631), (154, 131243368), (176, 114837947), (308, 65621684), (616, 32810842), (1232, 16405421)]