21079936

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4451}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 43139880

約数和(自身を除く): 22059944

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4451, 4736, 8902, 17804, 35608, 71216, 142432, 164687, 284864, 329374, 569728, 658748, 1317496, 2634992, 5269984, 10539968, 21079936]

約数ペア:

[(1, 21079936), (2, 10539968), (4, 5269984), (8, 2634992), (16, 1317496), (32, 658748), (37, 569728), (64, 329374), (74, 284864), (128, 164687), (148, 142432), (296, 71216), (592, 35608), (1184, 17804), (2368, 8902), (4451, 4736)]