21461216

素因数分解:

$2^5\times 7^2\times {\mathrm{13687}}^1$

素因数の和:13711

約数の個数: 36

約数和(自身を含む): 49153608

約数和(自身を除く): 27692392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13687, 27374, 54748, 95809, 109496, 191618, 218992, 383236, 437984, 670663, 766472, 1341326, 1532944, 2682652, 3065888, 5365304, 10730608, 21461216]

約数ペア:

[(1, 21461216), (2, 10730608), (4, 5365304), (7, 3065888), (8, 2682652), (14, 1532944), (16, 1341326), (28, 766472), (32, 670663), (49, 437984), (56, 383236), (98, 218992), (112, 191618), (196, 109496), (224, 95809), (392, 54748), (784, 27374), (1568, 13687)]