21357672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6691}}^1$

素因数の和:6726

約数の個数: 64

約数和(自身を含む): 64243200

約数和(自身を除く): 42885528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6691, 13382, 20073, 26764, 40146, 46837, 53528, 80292, 93674, 127129, 140511, 160584, 187348, 254258, 281022, 374696, 381387, 508516, 562044, 762774, 889903, 1017032, 1124088, 1525548, 1779806, 2669709, 3051096, 3559612, 5339418, 7119224, 10678836, 21357672]

約数ペア:

[(1, 21357672), (2, 10678836), (3, 7119224), (4, 5339418), (6, 3559612), (7, 3051096), (8, 2669709), (12, 1779806), (14, 1525548), (19, 1124088), (21, 1017032), (24, 889903), (28, 762774), (38, 562044), (42, 508516), (56, 381387), (57, 374696), (76, 281022), (84, 254258), (114, 187348), (133, 160584), (152, 140511), (168, 127129), (228, 93674), (266, 80292), (399, 53528), (456, 46837), (532, 40146), (798, 26764), (1064, 20073), (1596, 13382), (3192, 6691)]