21173856

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20051}}^1$

素因数の和:20075

約数の個数: 48

約数和(自身を含む): 60637248

約数和(自身を除く): 39463392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20051, 40102, 60153, 80204, 120306, 160408, 220561, 240612, 320816, 441122, 481224, 641632, 661683, 882244, 962448, 1323366, 1764488, 1924896, 2646732, 3528976, 5293464, 7057952, 10586928, 21173856]

約数ペア:

[(1, 21173856), (2, 10586928), (3, 7057952), (4, 5293464), (6, 3528976), (8, 2646732), (11, 1924896), (12, 1764488), (16, 1323366), (22, 962448), (24, 882244), (32, 661683), (33, 641632), (44, 481224), (48, 441122), (66, 320816), (88, 240612), (96, 220561), (132, 160408), (176, 120306), (264, 80204), (352, 60153), (528, 40102), (1056, 20051)]