21394576

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:992

約数の個数: 60

約数和(自身を含む): 49935420

約数和(自身を除く): 28540844

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 392, 406, 464, 784, 812, 941, 1421, 1624, 1882, 2842, 3248, 3764, 5684, 6587, 7528, 11368, 13174, 15056, 22736, 26348, 27289, 46109, 52696, 54578, 92218, 105392, 109156, 184436, 191023, 218312, 368872, 382046, 436624, 737744, 764092, 1337161, 1528184, 2674322, 3056368, 5348644, 10697288, 21394576]

約数ペア:

[(1, 21394576), (2, 10697288), (4, 5348644), (7, 3056368), (8, 2674322), (14, 1528184), (16, 1337161), (28, 764092), (29, 737744), (49, 436624), (56, 382046), (58, 368872), (98, 218312), (112, 191023), (116, 184436), (196, 109156), (203, 105392), (232, 92218), (392, 54578), (406, 52696), (464, 46109), (784, 27289), (812, 26348), (941, 22736), (1421, 15056), (1624, 13174), (1882, 11368), (2842, 7528), (3248, 6587), (3764, 5684)]