21702168

素因数分解:

$2^3\times 3^4\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 61550280

約数和(自身を除く): 39848112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 107, 108, 162, 214, 216, 313, 321, 324, 428, 626, 642, 648, 856, 939, 963, 1252, 1284, 1878, 1926, 2504, 2568, 2817, 2889, 3756, 3852, 5634, 5778, 7512, 7704, 8451, 8667, 11268, 11556, 16902, 17334, 22536, 23112, 25353, 33491, 33804, 34668, 50706, 66982, 67608, 69336, 100473, 101412, 133964, 200946, 202824, 267928, 301419, 401892, 602838, 803784, 904257, 1205676, 1808514, 2411352, 2712771, 3617028, 5425542, 7234056, 10851084, 21702168]

約数ペア:

[(1, 21702168), (2, 10851084), (3, 7234056), (4, 5425542), (6, 3617028), (8, 2712771), (9, 2411352), (12, 1808514), (18, 1205676), (24, 904257), (27, 803784), (36, 602838), (54, 401892), (72, 301419), (81, 267928), (107, 202824), (108, 200946), (162, 133964), (214, 101412), (216, 100473), (313, 69336), (321, 67608), (324, 66982), (428, 50706), (626, 34668), (642, 33804), (648, 33491), (856, 25353), (939, 23112), (963, 22536), (1252, 17334), (1284, 16902), (1878, 11556), (1926, 11268), (2504, 8667), (2568, 8451), (2817, 7704), (2889, 7512), (3756, 5778), (3852, 5634)]