21418976

素因数分解:

$2^5\times {\mathrm{431}}^1\times {\mathrm{1553}}^1$

素因数の和:1994

約数の個数: 24

約数和(自身を含む): 42293664

約数和(自身を除く): 20874688

約数列:

[1, 2, 4, 8, 16, 32, 431, 862, 1553, 1724, 3106, 3448, 6212, 6896, 12424, 13792, 24848, 49696, 669343, 1338686, 2677372, 5354744, 10709488, 21418976]

約数ペア:

[(1, 21418976), (2, 10709488), (4, 5354744), (8, 2677372), (16, 1338686), (32, 669343), (431, 49696), (862, 24848), (1553, 13792), (1724, 12424), (3106, 6896), (3448, 6212)]