21959644

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 45023160

約数和(自身を除く): 23063516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 619, 724, 1238, 1267, 2476, 2534, 4333, 5068, 8666, 8869, 17332, 17738, 30331, 35476, 60662, 112039, 121324, 224078, 448156, 784273, 1568546, 3137092, 5489911, 10979822, 21959644]

約数ペア:

[(1, 21959644), (2, 10979822), (4, 5489911), (7, 3137092), (14, 1568546), (28, 784273), (49, 448156), (98, 224078), (181, 121324), (196, 112039), (362, 60662), (619, 35476), (724, 30331), (1238, 17738), (1267, 17332), (2476, 8869), (2534, 8666), (4333, 5068)]