21000598839

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{77617}}^1$

素因数の和:78548

約数の個数: 32

約数和(自身を含む): 33978055680

約数和(自身を除く): 12977456841

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 911, 2733, 8199, 10021, 24597, 30063, 77617, 90189, 232851, 270567, 698553, 853787, 2095659, 2561361, 7684083, 23052249, 70709087, 212127261, 636381783, 777799957, 1909145349, 2333399871, 7000199613, 21000598839]

約数ペア:

[(1, 21000598839), (3, 7000199613), (9, 2333399871), (11, 1909145349), (27, 777799957), (33, 636381783), (99, 212127261), (297, 70709087), (911, 23052249), (2733, 7684083), (8199, 2561361), (10021, 2095659), (24597, 853787), (30063, 698553), (77617, 270567), (90189, 232851)]