21134182

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1095

約数の個数: 16

約数和(自身を含む): 32413104

約数和(自身を除く): 11278922

約数列:

[1, 2, 61, 122, 211, 422, 821, 1642, 12871, 25742, 50081, 100162, 173231, 346462, 10567091, 21134182]

約数ペア:

[(1, 21134182), (2, 10567091), (61, 346462), (122, 173231), (211, 100162), (422, 50081), (821, 25742), (1642, 12871)]