21706218

素因数分解:

$2^1\times 3^5\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 49664160

約数和(自身を除く): 27957942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 243, 354, 486, 531, 757, 1062, 1514, 1593, 2271, 3186, 4542, 4779, 6813, 9558, 13626, 14337, 20439, 28674, 40878, 44663, 61317, 89326, 122634, 133989, 183951, 267978, 367902, 401967, 803934, 1205901, 2411802, 3617703, 7235406, 10853109, 21706218]

約数ペア:

[(1, 21706218), (2, 10853109), (3, 7235406), (6, 3617703), (9, 2411802), (18, 1205901), (27, 803934), (54, 401967), (59, 367902), (81, 267978), (118, 183951), (162, 133989), (177, 122634), (243, 89326), (354, 61317), (486, 44663), (531, 40878), (757, 28674), (1062, 20439), (1514, 14337), (1593, 13626), (2271, 9558), (3186, 6813), (4542, 4779)]