20211441048

素因数分解:

$2^3\times 3^2\times {\mathrm{389}}^1\times {\mathrm{721631}}^1$

素因数の和:722032

約数の個数: 48

約数和(自身を含む): 54880113600

約数和(自身を除く): 34668672552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 389, 778, 1167, 1556, 2334, 3112, 3501, 4668, 7002, 9336, 14004, 28008, 721631, 1443262, 2164893, 2886524, 4329786, 5773048, 6494679, 8659572, 12989358, 17319144, 25978716, 51957432, 280714459, 561428918, 842143377, 1122857836, 1684286754, 2245715672, 2526430131, 3368573508, 5052860262, 6737147016, 10105720524, 20211441048]

約数ペア:

[(1, 20211441048), (2, 10105720524), (3, 6737147016), (4, 5052860262), (6, 3368573508), (8, 2526430131), (9, 2245715672), (12, 1684286754), (18, 1122857836), (24, 842143377), (36, 561428918), (72, 280714459), (389, 51957432), (778, 25978716), (1167, 17319144), (1556, 12989358), (2334, 8659572), (3112, 6494679), (3501, 5773048), (4668, 4329786), (7002, 2886524), (9336, 2164893), (14004, 1443262), (28008, 721631)]