21726136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1493}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 43565040

約数和(自身を除く): 21838904

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1493, 1819, 2986, 3638, 5972, 7276, 11944, 14552, 25381, 50762, 101524, 159751, 203048, 319502, 639004, 1278008, 2715767, 5431534, 10863068, 21726136]

約数ペア:

[(1, 21726136), (2, 10863068), (4, 5431534), (8, 2715767), (17, 1278008), (34, 639004), (68, 319502), (107, 203048), (136, 159751), (214, 101524), (428, 50762), (856, 25381), (1493, 14552), (1819, 11944), (2986, 7276), (3638, 5972)]