21687912

素因数分解:

$2^3\times 3^4\times {\mathrm{33469}}^1$

素因数の和:33487

約数の個数: 40

約数和(自身を含む): 60748050

約数和(自身を除く): 39060138

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33469, 66938, 100407, 133876, 200814, 267752, 301221, 401628, 602442, 803256, 903663, 1204884, 1807326, 2409768, 2710989, 3614652, 5421978, 7229304, 10843956, 21687912]

約数ペア:

[(1, 21687912), (2, 10843956), (3, 7229304), (4, 5421978), (6, 3614652), (8, 2710989), (9, 2409768), (12, 1807326), (18, 1204884), (24, 903663), (27, 803256), (36, 602442), (54, 401628), (72, 301221), (81, 267752), (108, 200814), (162, 133876), (216, 100407), (324, 66938), (648, 33469)]