21910434448

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{170557}}^1$

素因数の和:170640

約数の個数: 80

約数和(自身を含む): 51434834944

約数和(自身を除く): 29524400496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1147, 1736, 2072, 2294, 3472, 4144, 4588, 8029, 9176, 16058, 18352, 32116, 64232, 128464, 170557, 341114, 682228, 1193899, 1364456, 2387798, 2728912, 4775596, 5287267, 6310609, 9551192, 10574534, 12621218, 19102384, 21149068, 25242436, 37010869, 42298136, 44174263, 50484872, 74021738, 84596272, 88348526, 100969744, 148043476, 176697052, 195628879, 296086952, 353394104, 391257758, 592173904, 706788208, 782515516, 1369402153, 1565031032, 2738804306, 3130062064, 5477608612, 10955217224, 21910434448]

約数ペア:

[(1, 21910434448), (2, 10955217224), (4, 5477608612), (7, 3130062064), (8, 2738804306), (14, 1565031032), (16, 1369402153), (28, 782515516), (31, 706788208), (37, 592173904), (56, 391257758), (62, 353394104), (74, 296086952), (112, 195628879), (124, 176697052), (148, 148043476), (217, 100969744), (248, 88348526), (259, 84596272), (296, 74021738), (434, 50484872), (496, 44174263), (518, 42298136), (592, 37010869), (868, 25242436), (1036, 21149068), (1147, 19102384), (1736, 12621218), (2072, 10574534), (2294, 9551192), (3472, 6310609), (4144, 5287267), (4588, 4775596), (8029, 2728912), (9176, 2387798), (16058, 1364456), (18352, 1193899), (32116, 682228), (64232, 341114), (128464, 170557)]