21227744

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9901}}^1$

素因数の和:9978

約数の個数: 24

約数和(自身を含む): 42420168

約数和(自身を除く): 21192424

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9901, 19802, 39604, 79208, 158416, 316832, 663367, 1326734, 2653468, 5306936, 10613872, 21227744]

約数ペア:

[(1, 21227744), (2, 10613872), (4, 5306936), (8, 2653468), (16, 1326734), (32, 663367), (67, 316832), (134, 158416), (268, 79208), (536, 39604), (1072, 19802), (2144, 9901)]