21030878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15360802

約数列:

[1, 2, 11, 22, 23, 46, 89, 178, 253, 467, 506, 934, 979, 1958, 2047, 4094, 5137, 10274, 10741, 21482, 22517, 41563, 45034, 83126, 118151, 236302, 457193, 914386, 955949, 1911898, 10515439, 21030878]

約数ペア:

[(1, 21030878), (2, 10515439), (11, 1911898), (22, 955949), (23, 914386), (46, 457193), (89, 236302), (178, 118151), (253, 83126), (467, 45034), (506, 41563), (934, 22517), (979, 21482), (1958, 10741), (2047, 10274), (4094, 5137)]