21851032

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 27823208

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 307, 328, 434, 574, 614, 868, 1148, 1228, 1271, 1736, 2149, 2296, 2456, 2542, 4298, 5084, 8596, 8897, 9517, 10168, 12587, 17192, 17794, 19034, 25174, 35588, 38068, 50348, 66619, 71176, 76136, 88109, 100696, 133238, 176218, 266476, 352436, 390197, 532952, 704872, 780394, 1560788, 2731379, 3121576, 5462758, 10925516, 21851032]

約数ペア:

[(1, 21851032), (2, 10925516), (4, 5462758), (7, 3121576), (8, 2731379), (14, 1560788), (28, 780394), (31, 704872), (41, 532952), (56, 390197), (62, 352436), (82, 266476), (124, 176218), (164, 133238), (217, 100696), (248, 88109), (287, 76136), (307, 71176), (328, 66619), (434, 50348), (574, 38068), (614, 35588), (868, 25174), (1148, 19034), (1228, 17794), (1271, 17192), (1736, 12587), (2149, 10168), (2296, 9517), (2456, 8897), (2542, 8596), (4298, 5084)]