21194936

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{821}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 45571680

約数和(自身を除く): 24376744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 821, 922, 1642, 1844, 3227, 3284, 3688, 5747, 6454, 6568, 11494, 12908, 22988, 25816, 45976, 378481, 756962, 1513924, 2649367, 3027848, 5298734, 10597468, 21194936]

約数ペア:

[(1, 21194936), (2, 10597468), (4, 5298734), (7, 3027848), (8, 2649367), (14, 1513924), (28, 756962), (56, 378481), (461, 45976), (821, 25816), (922, 22988), (1642, 12908), (1844, 11494), (3227, 6568), (3284, 6454), (3688, 5747)]