21717972

素因数分解:

$2^2\times 3^2\times {\mathrm{353}}^1\times {\mathrm{1709}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 55085940

約数和(自身を除く): 33367968

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353, 706, 1059, 1412, 1709, 2118, 3177, 3418, 4236, 5127, 6354, 6836, 10254, 12708, 15381, 20508, 30762, 61524, 603277, 1206554, 1809831, 2413108, 3619662, 5429493, 7239324, 10858986, 21717972]

約数ペア:

[(1, 21717972), (2, 10858986), (3, 7239324), (4, 5429493), (6, 3619662), (9, 2413108), (12, 1809831), (18, 1206554), (36, 603277), (353, 61524), (706, 30762), (1059, 20508), (1412, 15381), (1709, 12708), (2118, 10254), (3177, 6836), (3418, 6354), (4236, 5127)]