21270384015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1\times {\mathrm{34501}}^1$

素因数の和:36319

約数の個数: 32

約数和(自身を含む): 35533195776

約数和(自身を除く): 14262811761

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1787, 5361, 8935, 26805, 34501, 41101, 103503, 123303, 172505, 205505, 517515, 616515, 793523, 2380569, 3967615, 11902845, 61653287, 184959861, 308266435, 924799305, 1418025601, 4254076803, 7090128005, 21270384015]

約数ペア:

[(1, 21270384015), (3, 7090128005), (5, 4254076803), (15, 1418025601), (23, 924799305), (69, 308266435), (115, 184959861), (345, 61653287), (1787, 11902845), (5361, 3967615), (8935, 2380569), (26805, 793523), (34501, 616515), (41101, 517515), (103503, 205505), (123303, 172505)]