21959056

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 60

約数和(自身を含む): 50896668

約数和(自身を除く): 28937612

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 757, 784, 1036, 1514, 1813, 2072, 3028, 3626, 4144, 5299, 6056, 7252, 10598, 12112, 14504, 21196, 28009, 29008, 37093, 42392, 56018, 74186, 84784, 112036, 148372, 196063, 224072, 296744, 392126, 448144, 593488, 784252, 1372441, 1568504, 2744882, 3137008, 5489764, 10979528, 21959056]

約数ペア:

[(1, 21959056), (2, 10979528), (4, 5489764), (7, 3137008), (8, 2744882), (14, 1568504), (16, 1372441), (28, 784252), (37, 593488), (49, 448144), (56, 392126), (74, 296744), (98, 224072), (112, 196063), (148, 148372), (196, 112036), (259, 84784), (296, 74186), (392, 56018), (518, 42392), (592, 37093), (757, 29008), (784, 28009), (1036, 21196), (1514, 14504), (1813, 12112), (2072, 10598), (3028, 7252), (3626, 6056), (4144, 5299)]