21664986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7699}}^1$

素因数の和:7778

約数の個数: 32

約数和(自身を含む): 50265600

約数和(自身を除く): 28600614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7699, 15398, 23097, 46194, 53893, 107786, 161679, 323358, 515833, 1031666, 1547499, 3094998, 3610831, 7221662, 10832493, 21664986]

約数ペア:

[(1, 21664986), (2, 10832493), (3, 7221662), (6, 3610831), (7, 3094998), (14, 1547499), (21, 1031666), (42, 515833), (67, 323358), (134, 161679), (201, 107786), (402, 53893), (469, 46194), (938, 23097), (1407, 15398), (2814, 7699)]