21167667105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108552139}}^1$

素因数の和:108552160

約数の個数: 16

約数和(自身を含む): 36473519040

約数和(自身を除く): 15305851935

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 108552139, 325656417, 542760695, 1411177807, 1628282085, 4233533421, 7055889035, 21167667105]

約数ペア:

[(1, 21167667105), (3, 7055889035), (5, 4233533421), (13, 1628282085), (15, 1411177807), (39, 542760695), (65, 325656417), (195, 108552139)]