21090323

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 2241517

約数列:

[1, 19, 31, 61, 587, 589, 1159, 1891, 11153, 18197, 35807, 35929, 345743, 680333, 1110017, 21090323]

約数ペア:

[(1, 21090323), (19, 1110017), (31, 680333), (61, 345743), (587, 35929), (589, 35807), (1159, 18197), (1891, 11153)]