21839356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 30318596

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 43, 44, 68, 77, 86, 97, 119, 154, 172, 187, 194, 238, 301, 308, 374, 388, 473, 476, 602, 679, 731, 748, 946, 1067, 1204, 1309, 1358, 1462, 1649, 1892, 2134, 2618, 2716, 2924, 3298, 3311, 4171, 4268, 5117, 5236, 6596, 6622, 7469, 8041, 8342, 10234, 11543, 13244, 14938, 16082, 16684, 18139, 20468, 23086, 29197, 29876, 32164, 36278, 45881, 46172, 56287, 58394, 70907, 72556, 91762, 112574, 116788, 126973, 141814, 183524, 225148, 253946, 283628, 321167, 496349, 507892, 642334, 779977, 992698, 1284668, 1559954, 1985396, 3119908, 5459839, 10919678, 21839356]

約数ペア:

[(1, 21839356), (2, 10919678), (4, 5459839), (7, 3119908), (11, 1985396), (14, 1559954), (17, 1284668), (22, 992698), (28, 779977), (34, 642334), (43, 507892), (44, 496349), (68, 321167), (77, 283628), (86, 253946), (97, 225148), (119, 183524), (154, 141814), (172, 126973), (187, 116788), (194, 112574), (238, 91762), (301, 72556), (308, 70907), (374, 58394), (388, 56287), (473, 46172), (476, 45881), (602, 36278), (679, 32164), (731, 29876), (748, 29197), (946, 23086), (1067, 20468), (1204, 18139), (1309, 16684), (1358, 16082), (1462, 14938), (1649, 13244), (1892, 11543), (2134, 10234), (2618, 8342), (2716, 8041), (2924, 7469), (3298, 6622), (3311, 6596), (4171, 5236), (4268, 5117)]