21372248

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{5441}}^1$

素因数の和:5938

約数の個数: 16

約数和(自身を含む): 40161960

約数和(自身を除く): 18789712

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 5441, 10882, 21764, 43528, 2671531, 5343062, 10686124, 21372248]

約数ペア:

[(1, 21372248), (2, 10686124), (4, 5343062), (8, 2671531), (491, 43528), (982, 21764), (1964, 10882), (3928, 5441)]