21327411

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^2$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 33733632

約数和(自身を除く): 12406221

約数列:

[1, 3, 7, 21, 31, 93, 181, 217, 543, 651, 1267, 3801, 5611, 16833, 32761, 39277, 98283, 117831, 229327, 687981, 1015591, 3046773, 7109137, 21327411]

約数ペア:

[(1, 21327411), (3, 7109137), (7, 3046773), (21, 1015591), (31, 687981), (93, 229327), (181, 117831), (217, 98283), (543, 39277), (651, 32761), (1267, 16833), (3801, 5611)]