21159288

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40757112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 59, 68, 72, 102, 118, 136, 153, 177, 204, 236, 293, 306, 354, 408, 472, 531, 586, 612, 708, 879, 1003, 1062, 1172, 1224, 1416, 1758, 2006, 2124, 2344, 2637, 3009, 3516, 4012, 4248, 4981, 5274, 6018, 7032, 8024, 9027, 9962, 10548, 12036, 14943, 17287, 18054, 19924, 21096, 24072, 29886, 34574, 36108, 39848, 44829, 51861, 59772, 69148, 72216, 89658, 103722, 119544, 138296, 155583, 179316, 207444, 293879, 311166, 358632, 414888, 587758, 622332, 881637, 1175516, 1244664, 1763274, 2351032, 2644911, 3526548, 5289822, 7053096, 10579644, 21159288]

約数ペア:

[(1, 21159288), (2, 10579644), (3, 7053096), (4, 5289822), (6, 3526548), (8, 2644911), (9, 2351032), (12, 1763274), (17, 1244664), (18, 1175516), (24, 881637), (34, 622332), (36, 587758), (51, 414888), (59, 358632), (68, 311166), (72, 293879), (102, 207444), (118, 179316), (136, 155583), (153, 138296), (177, 119544), (204, 103722), (236, 89658), (293, 72216), (306, 69148), (354, 59772), (408, 51861), (472, 44829), (531, 39848), (586, 36108), (612, 34574), (708, 29886), (879, 24072), (1003, 21096), (1062, 19924), (1172, 18054), (1224, 17287), (1416, 14943), (1758, 12036), (2006, 10548), (2124, 9962), (2344, 9027), (2637, 8024), (3009, 7032), (3516, 6018), (4012, 5274), (4248, 4981)]