21037237

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 3275723

約数列:

[1, 13, 19, 53, 247, 689, 1007, 1607, 13091, 20891, 30533, 85171, 396929, 1107223, 1618249, 21037237]

約数ペア:

[(1, 21037237), (13, 1618249), (19, 1107223), (53, 396929), (247, 85171), (689, 30533), (1007, 20891), (1607, 13091)]