21885369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{971}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 31912704

約数和(自身を除く): 10027335

約数列:

[1, 3, 11, 33, 683, 971, 2049, 2913, 7513, 10681, 22539, 32043, 663193, 1989579, 7295123, 21885369]

約数ペア:

[(1, 21885369), (3, 7295123), (11, 1989579), (33, 663193), (683, 32043), (971, 22539), (2049, 10681), (2913, 7513)]