21526916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 38485440

約数和(自身を除く): 16958524

約数列:

[1, 2, 4, 71, 142, 229, 284, 331, 458, 662, 916, 1324, 16259, 23501, 32518, 47002, 65036, 75799, 94004, 151598, 303196, 5381729, 10763458, 21526916]

約数ペア:

[(1, 21526916), (2, 10763458), (4, 5381729), (71, 303196), (142, 151598), (229, 94004), (284, 75799), (331, 65036), (458, 47002), (662, 32518), (916, 23501), (1324, 16259)]