21071104

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1622

約数の個数: 36

約数和(自身を含む): 42881076

約数和(自身を除く): 21809972

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1553, 1696, 3106, 3392, 6212, 6784, 12424, 13568, 24848, 49696, 82309, 99392, 164618, 198784, 329236, 397568, 658472, 1316944, 2633888, 5267776, 10535552, 21071104]

約数ペア:

[(1, 21071104), (2, 10535552), (4, 5267776), (8, 2633888), (16, 1316944), (32, 658472), (53, 397568), (64, 329236), (106, 198784), (128, 164618), (212, 99392), (256, 82309), (424, 49696), (848, 24848), (1553, 13568), (1696, 12424), (3106, 6784), (3392, 6212)]