21061595

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3037}}^1$

素因数の和:3134

約数の個数: 16

約数和(自身を含む): 26977440

約数和(自身を除く): 5915845

約数列:

[1, 5, 19, 73, 95, 365, 1387, 3037, 6935, 15185, 57703, 221701, 288515, 1108505, 4212319, 21061595]

約数ペア:

[(1, 21061595), (5, 4212319), (19, 1108505), (73, 288515), (95, 221701), (365, 57703), (1387, 15185), (3037, 6935)]