23181921

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1621}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 38460864

約数和(自身を除く): 15278943

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 1621, 2043, 4767, 4863, 11347, 14301, 14589, 34041, 102123, 367967, 1103901, 2575769, 3311703, 7727307, 23181921]

約数ペア:

[(1, 23181921), (3, 7727307), (7, 3311703), (9, 2575769), (21, 1103901), (63, 367967), (227, 102123), (681, 34041), (1589, 14589), (1621, 14301), (2043, 11347), (4767, 4863)]