21986436

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 55004544

約数和(自身を除く): 33018108

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 2153, 2553, 3404, 4306, 5106, 6459, 8612, 10212, 12918, 25836, 49519, 79661, 99038, 148557, 159322, 198076, 238983, 297114, 318644, 477966, 594228, 955932, 1832203, 3664406, 5496609, 7328812, 10993218, 21986436]

約数ペア:

[(1, 21986436), (2, 10993218), (3, 7328812), (4, 5496609), (6, 3664406), (12, 1832203), (23, 955932), (37, 594228), (46, 477966), (69, 318644), (74, 297114), (92, 238983), (111, 198076), (138, 159322), (148, 148557), (222, 99038), (276, 79661), (444, 49519), (851, 25836), (1702, 12918), (2153, 10212), (2553, 8612), (3404, 6459), (4306, 5106)]