21566937

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21851}}^1$

素因数の和:21908

約数の個数: 16

約数和(自身を含む): 33564672

約数和(自身を除く): 11997735

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21851, 65553, 152957, 458871, 1026997, 3080991, 7188979, 21566937]

約数ペア:

[(1, 21566937), (3, 7188979), (7, 3080991), (21, 1026997), (47, 458871), (141, 152957), (329, 65553), (987, 21851)]