21310512

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 37019088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 97, 138, 184, 194, 199, 276, 291, 368, 388, 398, 552, 582, 597, 776, 796, 1104, 1164, 1194, 1552, 1592, 2231, 2328, 2388, 3184, 4462, 4577, 4656, 4776, 6693, 8924, 9154, 9552, 13386, 13731, 17848, 18308, 19303, 26772, 27462, 35696, 36616, 38606, 53544, 54924, 57909, 73232, 77212, 107088, 109848, 115818, 154424, 219696, 231636, 308848, 443969, 463272, 887938, 926544, 1331907, 1775876, 2663814, 3551752, 5327628, 7103504, 10655256, 21310512]

約数ペア:

[(1, 21310512), (2, 10655256), (3, 7103504), (4, 5327628), (6, 3551752), (8, 2663814), (12, 1775876), (16, 1331907), (23, 926544), (24, 887938), (46, 463272), (48, 443969), (69, 308848), (92, 231636), (97, 219696), (138, 154424), (184, 115818), (194, 109848), (199, 107088), (276, 77212), (291, 73232), (368, 57909), (388, 54924), (398, 53544), (552, 38606), (582, 36616), (597, 35696), (776, 27462), (796, 26772), (1104, 19303), (1164, 18308), (1194, 17848), (1552, 13731), (1592, 13386), (2231, 9552), (2328, 9154), (2388, 8924), (3184, 6693), (4462, 4776), (4577, 4656)]