2021040925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{47807}}^1$

素因数の和:47925

約数の個数: 24

約数和(自身を含む): 2667686400

約数和(自身を除く): 646645475

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 8455, 42275, 47807, 239035, 908333, 1195175, 4254823, 4541665, 21274115, 22708325, 80841637, 106370575, 404208185, 2021040925]

約数ペア:

[(1, 2021040925), (5, 404208185), (19, 106370575), (25, 80841637), (89, 22708325), (95, 21274115), (445, 4541665), (475, 4254823), (1691, 1195175), (2225, 908333), (8455, 239035), (42275, 47807)]