21136176

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3967}}^1$

素因数の和:4018

約数の個数: 60

約数和(自身を含む): 60765952

約数和(自身を除く): 39629776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3967, 5328, 7934, 11901, 15868, 23802, 31736, 35703, 47604, 63472, 71406, 95208, 142812, 146779, 190416, 285624, 293558, 440337, 571248, 587116, 880674, 1174232, 1321011, 1761348, 2348464, 2642022, 3522696, 5284044, 7045392, 10568088, 21136176]

約数ペア:

[(1, 21136176), (2, 10568088), (3, 7045392), (4, 5284044), (6, 3522696), (8, 2642022), (9, 2348464), (12, 1761348), (16, 1321011), (18, 1174232), (24, 880674), (36, 587116), (37, 571248), (48, 440337), (72, 293558), (74, 285624), (111, 190416), (144, 146779), (148, 142812), (222, 95208), (296, 71406), (333, 63472), (444, 47604), (592, 35703), (666, 31736), (888, 23802), (1332, 15868), (1776, 11901), (2664, 7934), (3967, 5328)]