21083524

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 47667200

約数和(自身を除く): 26583676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 127, 154, 196, 242, 254, 308, 343, 484, 508, 539, 686, 847, 889, 1078, 1372, 1397, 1694, 1778, 2156, 2794, 3388, 3556, 3773, 5588, 5929, 6223, 7546, 9779, 11858, 12446, 15092, 15367, 19558, 23716, 24892, 30734, 39116, 41503, 43561, 61468, 68453, 83006, 87122, 107569, 136906, 166012, 174244, 215138, 273812, 430276, 479171, 752983, 958342, 1505966, 1916684, 3011932, 5270881, 10541762, 21083524]

約数ペア:

[(1, 21083524), (2, 10541762), (4, 5270881), (7, 3011932), (11, 1916684), (14, 1505966), (22, 958342), (28, 752983), (44, 479171), (49, 430276), (77, 273812), (98, 215138), (121, 174244), (127, 166012), (154, 136906), (196, 107569), (242, 87122), (254, 83006), (308, 68453), (343, 61468), (484, 43561), (508, 41503), (539, 39116), (686, 30734), (847, 24892), (889, 23716), (1078, 19558), (1372, 15367), (1397, 15092), (1694, 12446), (1778, 11858), (2156, 9779), (2794, 7546), (3388, 6223), (3556, 5929), (3773, 5588)]