21576646

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 18678842

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1151, 1339, 1442, 2302, 2678, 8057, 9373, 14963, 16114, 18746, 29926, 104741, 118553, 209482, 237106, 829871, 1541189, 1659742, 3082378, 10788323, 21576646]

約数ペア:

[(1, 21576646), (2, 10788323), (7, 3082378), (13, 1659742), (14, 1541189), (26, 829871), (91, 237106), (103, 209482), (182, 118553), (206, 104741), (721, 29926), (1151, 18746), (1339, 16114), (1442, 14963), (2302, 9373), (2678, 8057)]