21226964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{787}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 40641888

約数和(自身を除く): 19414924

約数列:

[1, 2, 4, 11, 22, 44, 613, 787, 1226, 1574, 2452, 3148, 6743, 8657, 13486, 17314, 26972, 34628, 482431, 964862, 1929724, 5306741, 10613482, 21226964]

約数ペア:

[(1, 21226964), (2, 10613482), (4, 5306741), (11, 1929724), (22, 964862), (44, 482431), (613, 34628), (787, 26972), (1226, 17314), (1574, 13486), (2452, 8657), (3148, 6743)]