21480602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 19645798

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 59, 67, 118, 134, 143, 209, 247, 286, 418, 494, 649, 737, 767, 871, 1121, 1273, 1298, 1474, 1534, 1742, 2242, 2546, 2717, 3953, 5434, 7906, 8437, 9581, 12331, 14003, 14573, 16549, 16874, 19162, 24662, 28006, 29146, 33098, 43483, 51389, 75107, 86966, 102778, 150214, 160303, 182039, 320606, 364078, 565279, 826177, 976391, 1130558, 1652354, 1952782, 10740301, 21480602]

約数ペア:

[(1, 21480602), (2, 10740301), (11, 1952782), (13, 1652354), (19, 1130558), (22, 976391), (26, 826177), (38, 565279), (59, 364078), (67, 320606), (118, 182039), (134, 160303), (143, 150214), (209, 102778), (247, 86966), (286, 75107), (418, 51389), (494, 43483), (649, 33098), (737, 29146), (767, 28006), (871, 24662), (1121, 19162), (1273, 16874), (1298, 16549), (1474, 14573), (1534, 14003), (1742, 12331), (2242, 9581), (2546, 8437), (2717, 7906), (3953, 5434)]