21070448

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1051}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 46961280

約数和(自身を除く): 25890832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1051, 1253, 1432, 2102, 2506, 2864, 4204, 5012, 7357, 8408, 10024, 14714, 16816, 20048, 29428, 58856, 117712, 188129, 376258, 752516, 1316903, 1505032, 2633806, 3010064, 5267612, 10535224, 21070448]

約数ペア:

[(1, 21070448), (2, 10535224), (4, 5267612), (7, 3010064), (8, 2633806), (14, 1505032), (16, 1316903), (28, 752516), (56, 376258), (112, 188129), (179, 117712), (358, 58856), (716, 29428), (1051, 20048), (1253, 16816), (1432, 14714), (2102, 10024), (2506, 8408), (2864, 7357), (4204, 5012)]