21270114

素因数分解:

$2^1\times 3^4\times {\mathrm{131297}}^1$

素因数の和:131311

約数の個数: 20

約数和(自身を含む): 47661174

約数和(自身を除く): 26391060

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131297, 262594, 393891, 787782, 1181673, 2363346, 3545019, 7090038, 10635057, 21270114]

約数ペア:

[(1, 21270114), (2, 10635057), (3, 7090038), (6, 3545019), (9, 2363346), (18, 1181673), (27, 787782), (54, 393891), (81, 262594), (162, 131297)]