21945252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3307}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 59279360

約数和(自身を除く): 37334108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3307, 3318, 6614, 6636, 9921, 13228, 19842, 23149, 39684, 46298, 69447, 92596, 138894, 261253, 277788, 522506, 783759, 1045012, 1567518, 1828771, 3135036, 3657542, 5486313, 7315084, 10972626, 21945252]

約数ペア:

[(1, 21945252), (2, 10972626), (3, 7315084), (4, 5486313), (6, 3657542), (7, 3135036), (12, 1828771), (14, 1567518), (21, 1045012), (28, 783759), (42, 522506), (79, 277788), (84, 261253), (158, 138894), (237, 92596), (316, 69447), (474, 46298), (553, 39684), (948, 23149), (1106, 19842), (1659, 13228), (2212, 9921), (3307, 6636), (3318, 6614)]