21294738

素因数分解:

$2^1\times 3^4\times {\mathrm{131449}}^1$

素因数の和:131463

約数の個数: 20

約数和(自身を含む): 47716350

約数和(自身を除く): 26421612

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131449, 262898, 394347, 788694, 1183041, 2366082, 3549123, 7098246, 10647369, 21294738]

約数ペア:

[(1, 21294738), (2, 10647369), (3, 7098246), (6, 3549123), (9, 2366082), (18, 1183041), (27, 788694), (54, 394347), (81, 262898), (162, 131449)]