21433048

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 28966952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 499, 728, 767, 826, 998, 1534, 1652, 1996, 3068, 3304, 3493, 3992, 5369, 6136, 6487, 6986, 10738, 12974, 13972, 21476, 25948, 27944, 29441, 42952, 45409, 51896, 58882, 90818, 117764, 181636, 206087, 235528, 363272, 382733, 412174, 765466, 824348, 1530932, 1648696, 2679131, 3061864, 5358262, 10716524, 21433048]

約数ペア:

[(1, 21433048), (2, 10716524), (4, 5358262), (7, 3061864), (8, 2679131), (13, 1648696), (14, 1530932), (26, 824348), (28, 765466), (52, 412174), (56, 382733), (59, 363272), (91, 235528), (104, 206087), (118, 181636), (182, 117764), (236, 90818), (364, 58882), (413, 51896), (472, 45409), (499, 42952), (728, 29441), (767, 27944), (826, 25948), (998, 21476), (1534, 13972), (1652, 12974), (1996, 10738), (3068, 6986), (3304, 6487), (3493, 6136), (3992, 5369)]