21174738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271471}}^1$

素因数の和:271489

約数の個数: 16

約数和(自身を含む): 45607296

約数和(自身を除く): 24432558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271471, 542942, 814413, 1628826, 3529123, 7058246, 10587369, 21174738]

約数ペア:

[(1, 21174738), (2, 10587369), (3, 7058246), (6, 3529123), (13, 1628826), (26, 814413), (39, 542942), (78, 271471)]