21638544

素因数分解:

$2^4\times 3^1\times {\mathrm{450803}}^1$

素因数の和:450814

約数の個数: 20

約数和(自身を含む): 55899696

約数和(自身を除く): 34261152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 450803, 901606, 1352409, 1803212, 2704818, 3606424, 5409636, 7212848, 10819272, 21638544]

約数ペア:

[(1, 21638544), (2, 10819272), (3, 7212848), (4, 5409636), (6, 3606424), (8, 2704818), (12, 1803212), (16, 1352409), (24, 901606), (48, 450803)]