21291240072

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11229557}}^1$

素因数の和:11229645

約数の個数: 32

約数和(自身を含む): 53901878400

約数和(自身を除く): 32610638328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11229557, 22459114, 33688671, 44918228, 67377342, 89836456, 134754684, 269509368, 887135003, 1774270006, 2661405009, 3548540012, 5322810018, 7097080024, 10645620036, 21291240072]

約数ペア:

[(1, 21291240072), (2, 10645620036), (3, 7097080024), (4, 5322810018), (6, 3548540012), (8, 2661405009), (12, 1774270006), (24, 887135003), (79, 269509368), (158, 134754684), (237, 89836456), (316, 67377342), (474, 44918228), (632, 33688671), (948, 22459114), (1896, 11229557)]