21646184

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 49320960

約数和(自身を除く): 27674776

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 337, 434, 518, 674, 868, 1036, 1147, 1348, 1736, 2072, 2294, 2359, 2696, 4588, 4718, 8029, 9176, 9436, 10447, 12469, 16058, 18872, 20894, 24938, 32116, 41788, 49876, 64232, 73129, 83576, 87283, 99752, 146258, 174566, 292516, 349132, 386539, 585032, 698264, 773078, 1546156, 2705773, 3092312, 5411546, 10823092, 21646184]

約数ペア:

[(1, 21646184), (2, 10823092), (4, 5411546), (7, 3092312), (8, 2705773), (14, 1546156), (28, 773078), (31, 698264), (37, 585032), (56, 386539), (62, 349132), (74, 292516), (124, 174566), (148, 146258), (217, 99752), (248, 87283), (259, 83576), (296, 73129), (337, 64232), (434, 49876), (518, 41788), (674, 32116), (868, 24938), (1036, 20894), (1147, 18872), (1348, 16058), (1736, 12469), (2072, 10447), (2294, 9436), (2359, 9176), (2696, 8029), (4588, 4718)]