21717424

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 21538736

約数列:

[1, 2, 4, 8, 16, 89, 101, 151, 178, 202, 302, 356, 404, 604, 712, 808, 1208, 1424, 1616, 2416, 8989, 13439, 15251, 17978, 26878, 30502, 35956, 53756, 61004, 71912, 107512, 122008, 143824, 215024, 244016, 1357339, 2714678, 5429356, 10858712, 21717424]

約数ペア:

[(1, 21717424), (2, 10858712), (4, 5429356), (8, 2714678), (16, 1357339), (89, 244016), (101, 215024), (151, 143824), (178, 122008), (202, 107512), (302, 71912), (356, 61004), (404, 53756), (604, 35956), (712, 30502), (808, 26878), (1208, 17978), (1424, 15251), (1616, 13439), (2416, 8989)]