21548774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 36996960

約数和(自身を除く): 15448186

約数列:

[1, 2, 13, 19, 26, 38, 181, 241, 247, 362, 482, 494, 2353, 3133, 3439, 4579, 4706, 6266, 6878, 9158, 43621, 44707, 59527, 87242, 89414, 119054, 567073, 828799, 1134146, 1657598, 10774387, 21548774]

約数ペア:

[(1, 21548774), (2, 10774387), (13, 1657598), (19, 1134146), (26, 828799), (38, 567073), (181, 119054), (241, 89414), (247, 87242), (362, 59527), (482, 44707), (494, 43621), (2353, 9158), (3133, 6878), (3439, 6266), (4579, 4706)]