21915696981

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1\times {\mathrm{4201}}^1$

素因数の和:5277

約数の個数: 32

約数和(自身を含む): 30762673920

約数和(自身を除く): 8846976939

約数列:

[1, 3, 29, 61, 87, 183, 983, 1769, 2949, 4201, 5307, 12603, 28507, 59963, 85521, 121829, 179889, 256261, 365487, 768783, 1738927, 4129583, 5216781, 7431569, 12388749, 22294707, 119757907, 251904563, 359273721, 755713689, 7305232327, 21915696981]

約数ペア:

[(1, 21915696981), (3, 7305232327), (29, 755713689), (61, 359273721), (87, 251904563), (183, 119757907), (983, 22294707), (1769, 12388749), (2949, 7431569), (4201, 5216781), (5307, 4129583), (12603, 1738927), (28507, 768783), (59963, 365487), (85521, 256261), (121829, 179889)]