21942321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1163}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 30915840

約数和(自身を除く): 8973519

約数列:

[1, 3, 19, 57, 331, 993, 1163, 3489, 6289, 18867, 22097, 66291, 384953, 1154859, 7314107, 21942321]

約数ペア:

[(1, 21942321), (3, 7314107), (19, 1154859), (57, 384953), (331, 66291), (993, 22097), (1163, 18867), (3489, 6289)]