21827618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3209}}^1$

素因数の和:3409

約数の個数: 16

約数和(自身を含む): 34668000

約数和(自身を除く): 12840382

約数列:

[1, 2, 19, 38, 179, 358, 3209, 3401, 6418, 6802, 60971, 121942, 574411, 1148822, 10913809, 21827618]

約数ペア:

[(1, 21827618), (2, 10913809), (19, 1148822), (38, 574411), (179, 121942), (358, 60971), (3209, 6802), (3401, 6418)]