21714441

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 34298880

約数和(自身を除く): 12584439

約数列:

[1, 3, 7, 21, 43, 129, 139, 173, 301, 417, 519, 903, 973, 1211, 2919, 3633, 5977, 7439, 17931, 22317, 24047, 41839, 52073, 72141, 125517, 156219, 168329, 504987, 1034021, 3102063, 7238147, 21714441]

約数ペア:

[(1, 21714441), (3, 7238147), (7, 3102063), (21, 1034021), (43, 504987), (129, 168329), (139, 156219), (173, 125517), (301, 72141), (417, 52073), (519, 41839), (903, 24047), (973, 22317), (1211, 17931), (2919, 7439), (3633, 5977)]