21629559

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 14105481

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1409, 2193, 4227, 5117, 9863, 15351, 23953, 29589, 60587, 71859, 167671, 181761, 424109, 503013, 1029979, 1272327, 3089937, 7209853, 21629559]

約数ペア:

[(1, 21629559), (3, 7209853), (7, 3089937), (17, 1272327), (21, 1029979), (43, 503013), (51, 424109), (119, 181761), (129, 167671), (301, 71859), (357, 60587), (731, 29589), (903, 23953), (1409, 15351), (2193, 9863), (4227, 5117)]