21167131377

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3512051}}^1$

素因数の和:3512109

約数の個数: 24

約数和(自身を含む): 33631409952

約数和(自身を除く): 12464278575

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 3512051, 10536153, 24584357, 73753071, 143994091, 172090499, 431982273, 516271497, 1007958637, 3023875911, 7055710459, 21167131377]

約数ペア:

[(1, 21167131377), (3, 7055710459), (7, 3023875911), (21, 1007958637), (41, 516271497), (49, 431982273), (123, 172090499), (147, 143994091), (287, 73753071), (861, 24584357), (2009, 10536153), (6027, 3512051)]