21345402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2089}}^1$

素因数の和:2238

約数の個数: 32

約数和(自身を含む): 46347840

約数和(自身を除く): 25002438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 2089, 3406, 4178, 5109, 6267, 10218, 12534, 27157, 54314, 81471, 162942, 273659, 547318, 820977, 1641954, 3557567, 7115134, 10672701, 21345402]

約数ペア:

[(1, 21345402), (2, 10672701), (3, 7115134), (6, 3557567), (13, 1641954), (26, 820977), (39, 547318), (78, 273659), (131, 162942), (262, 81471), (393, 54314), (786, 27157), (1703, 12534), (2089, 10218), (3406, 6267), (4178, 5109)]