21552664

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{941}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 46346400

約数和(自身を除く): 24793736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 941, 1636, 1882, 2863, 3272, 3764, 5726, 6587, 7528, 11452, 13174, 22904, 26348, 52696, 384869, 769738, 1539476, 2694083, 3078952, 5388166, 10776332, 21552664]

約数ペア:

[(1, 21552664), (2, 10776332), (4, 5388166), (7, 3078952), (8, 2694083), (14, 1539476), (28, 769738), (56, 384869), (409, 52696), (818, 26348), (941, 22904), (1636, 13174), (1882, 11452), (2863, 7528), (3272, 6587), (3764, 5726)]