21245148

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5843}}^1$

素因数の和:5954

約数の個数: 36

約数和(自身を含む): 54244008

約数和(自身を除く): 32998860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5843, 11686, 17529, 23372, 35058, 52587, 70116, 105174, 210348, 590143, 1180286, 1770429, 2360572, 3540858, 5311287, 7081716, 10622574, 21245148]

約数ペア:

[(1, 21245148), (2, 10622574), (3, 7081716), (4, 5311287), (6, 3540858), (9, 2360572), (12, 1770429), (18, 1180286), (36, 590143), (101, 210348), (202, 105174), (303, 70116), (404, 52587), (606, 35058), (909, 23372), (1212, 17529), (1818, 11686), (3636, 5843)]