21531427

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 2948573

約数列:

[1, 19, 23, 29, 437, 551, 667, 1699, 12673, 32281, 39077, 49271, 742463, 936149, 1133233, 21531427]

約数ペア:

[(1, 21531427), (19, 1133233), (23, 936149), (29, 742463), (437, 49271), (551, 39077), (667, 32281), (1699, 12673)]